Showing posts with label Pictures. Show all posts
Showing posts with label Pictures. Show all posts

Little stint (Calidris minuta)

   ›      ›   Little stint - Calidris minuta

The little stint (Calidris minuta) belongs to the family of sandpipers, snipes and stints, the Scolopacidae.

The little stint is distributed in Africa, Europe, Asia and Indian subcontinent. The stint species is fully migratory. This stint species is monotypic.

Key Facts Description
Pictures of Little Stint Distribution
Ecosystem & Habitat Conservation

Little stint - Description and identification

The little stint (Calidris minuta) is a small stint, measuring 10 to 15 cm in length and weighing 20 to 45 grams. The wingspan is 25 to 30 cm.

These stint species have brown upperparts with black, dark brown and white mottling. The head, neck and upper breast have brown striations. There is a brown lore. The underparts are white. The non-breeding birds are paler.

The bill is long, dark and black. The legs and feet are long and blackish. The irises are dark. There is a whitish eye-ring. The call is a loud high-pitched trilling sound.
Image of Little stint - Calidris minuta
1.Little stint - Calidris minuta
Image by Ken Billington


Image of Calidris minuta by Zeynel Cebeci
2.Little stint - Calidris minuta
Image by Zeynel Cebeci

Image of Calidris minuta
3.Little stint - Calidris minuta
Image by Davidvraju

Little stint - Geographical range and distribution

The breeding populations of the little stint species are distributed in Arctic Europe and Arctic Asia.

The wintering populations are distributed in southern Europe, Mediterranean region, Africa, Madagascar, Middle East, Indian subcontinent and coastal Myanmar.

The Important Bird and Biodiversity Areas (IBA) of the little stint in Russia are, Torna-Shoina watershed, Dvuob'ye, Lapland Biosphere Reserve, Lower Ob', Upper and Middle Yuribey, Lower Yuribey and Bolshaya Rogovaya river.

The IBA of these stint species in Norway are, Varanger Peninsula, Slettnes and Røst. The IBA in India are, Krishnarajasagar Reservoir, Kaliveli Tank and Yeduyanthittu estuary.

The IBA of these species in Kazakhstan are, Korgalzhyn State Nature Reserve, Kushmurun Lake and Zhumay-Mayshukyr Lake System. The IBA in Pakistan are, Rann of Kutch Wildlife Sanctuary and Indus Dolphin Reserve and Kandhkot wetlands.

Ecosystem and habitat

The little stint species do not occur in forests. They normally occur in altitudes between 0 to 1000 meters. The artificial ecosystems include freshwater ponds, wastewater treatment ponds and irrigated agricultural fields.

The natural ecosystems and habitats of the stint species include Arctic tundra, Arctic coastlines, tundra wetlands, tundra grasslands, estuaries, mudflats, salt-marshes, freshwater lakes, rivers and streams.

Diet and feeding behavior

The diet of the little stint species consists mainly of invertebrates. Larval and adult flies, small beetles, larvae of mosquitoes, craneflies, annelids, ants, crustaceans, molluscs and plant matter are their primary food.

Reproduction and breeding habits

The breeding season of these little stint species is during June and July in most of their breeding range. Monogamous, polygynous and polyandrous behavior had been observed. Males and females may incubate separate clutches.

The breeding ecosystem includes low altitude Arctic tundra, Arctic grassy islands and icy tundra. The nest is a cup-like shallow depression on open elevated ground, which may be covered by vegetation.

The clutch may contain three to five off-white colored oval eggs with dark patches. The chicks hatch out after 20 to 25 days of incubation. The hatchlings are precocial, able to feed themselves almost immediately.

Migration and movement patterns

The little stint species are fully migratory birds. They breed in Arctic Europe and Arctic Asia. They migrate southwards during July to September and arrive at the wintering grounds in late September and October.

These stint species winter in Africa, west coast of Europe, Indian subcontinent, Arabian peninsula, Mediterranean region and coastal Myanmar.

The return migration to the Arctic breeding grounds occurs in early summer, from mid-May to early-June (del Hoyo et al. 1996). The immature birds stay back and spend the summer in the wintering grounds.

Little stint - Quick Facts

  • Scientific name: Calidris minuta
  • Species author: (Leisler, 1812)
  • Synonyms/Protonym: Tringa minuta Leisler, 1812
  • Family: Scolopacidae › Charadriiformes › Aves › Chordata › Animalia
  • Vernacular names: English: Little stint, Chinese: 小滨鹬, French: Bécasseau minute, German: Zwergstrandläufer, Spanish: Correlimos menudo, Russian: Кулик-воробей, Japanese: ヨーロッパトウネン
  • Other names: Little Stint
  • Distribution: Africa, Asia, Europe
  • Diet and feeding habits: invertebrates, insects, larval insects
  • IUCN status listing: Least Concern (LC)

Little stint - Conservation and survival

The global population size of the little stint (Calidris minuta) is estimated to number about 1,500,000 to 1,600,000 individual birds (Wetlands International 2015). The overall population trend of the species is considered to be increasing.

In most of its range, this stint species is reported to be common to fairly common. The generation length is 6.8 years. Its distribution size is about 4,750,000 sq.km.

Ecosystem degradation, ecosystem conversion, adverse weather, climate change, hunting for food and sport hunting are the main threats that may endanger the survival of the stint species.

IUCN and CITES status

The little stint (Calidris minuta) species does not approach the thresholds for being Vulnerable either under the range size criterion or under the population trend criterion or under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the species and has listed it as of "Least Concern (LC)".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for the little stint (Calidris minuta).
Taxonomy and scientific classification of Calidris minuta
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Charadriiformes
Family:Scolopacidae
Subfamily:-
Genus:Calidris
Species:C. minuta
Binomial name:Calidris minuta
IUCN status listing:
Least Concern
The little stint (Calidris minuta) was earlier included in the genus Erolia.
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1.Image source: https://en.wikipedia.org/wiki/File:Little_Stint_(Calidris_minuta)_(1).jpg (cropped)
Image author: Ken Billington | License: CC BY-SA 3.0 as on 1/14/19
2.Image source: https://commons.wikimedia.org (cropped)
Image author: Zeynel | License: CC BY-SA 4.0 as on 1/14/19
3.Image source: https://commons.wikimedia.org (cropped)
Image author: | License: CC BY-SA 4.0 as on 1/14/19
Link to Creative Commons copyright licenses


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Brent goose images

   ›      ›   Brent goose (Branta bernicla) images
Taxonomic classification   < >   Images

The belongs to the family Anatidae under the order Anseriformes. The brent goose species are fully migratory birds.

Brent goose taxonomy

The family Anatidae represents the waterfowls belonging to the duck, goose and swan group. The family Anatidae was first introduced by William Elford Leach, MD, FRS (2 February 1791 – 25 August 1836), an English zoologist and marine biologist, in the year 1820.

The type species of this family is 'Anas platyrhynchos', introduced by Carl Linnaeus (23 May 1707 – 10 January 1778), a Swedish botanist, physician and zoologist, in the year 1758.

The family Anatidae comprises seven subfamilies, including Anserinae. The subfamily Anserinae was first introduced by Nicholas Aylward Vigors (1785 – 26 October 1840), an Irish zoologist, in the year 1825.

The subfamily Anserinae comprises three genera, viz., Cygnus, Anser and Branta. The genus Branta was first described by Giovanni Antonio Scopoli (3 June 1723 – 8 May 1788), an Italian physician and naturalist, in the year 1769.

The goose genus Branta comprises six species, including Brent goose (Branta bernicla). The species Branta bernicla was first described by Carl Linnaeus in the year 1758.

The species Branta bernicla comprises four subspecies, viz., Branta bernicla bernicla, Branta bernicla nigricans, Branta bernicla orientalis and Branta bernicla hrota.

Taxonomic classification
Binomial name:Branta bernicla
Species:B. bernicla
Genus:Branta
Subfamily:-
Family:Anatidae
Order:Anseriformes
Class:Aves
Phylum:Chordata
Kingdom:Animalia
Brent goose - Branta bernicla
1.Brent goose - Branta bernicla
Image by Peter Massas


Branta bernicla
2.Brent goose - Branta bernicla
Image by Tim Bowman, USFWS

Branta bernicla
3.Brent goose - Branta bernicla
Image by Arpingstone

Branta bernicla
4.Brent goose - Branta bernicla
Image by Arnstein Rønning

Branta bernicla
5.Brent goose - Branta bernicla
Image by DickDaniels

Branta bernicla
6.Branta bernicla
Image by USFWS - Pacific Region

Branta bernicla
7.Brent goose - Branta bernicla
Image by USFWS - Pacific Region

Branta bernicla
8.Branta bernicla
Image by MPF

Branta bernicla
9.Branta bernicla
Image by Ian Kirk
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1.Brent goose image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_-Keyport,_New_Jersey,_USA-8.jpg (cropped)
Author: Peter Massas | License: CC BY-SA 2.0 as on 1/10/19
2.Image source: https://commons.wikimedia.org/ (cropped)
Author: Tim Bowman, USFWS | License: Public domain as on 1/10/19
3.Image source: https://commons.wikimedia.org/wiki/File:Black.brant.slimbridge.march2007.arp.jpg (cropped)
Author: Arpingstone | License: Public domain as on 1/10/19
4.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_Lvk.jpg (cropped)
Author: Arnstein Rønning | License: CC BY-SA 4.0 as on 1/10/19
5.Image source: https://commons.wikimedia.org/wiki/File:Brant_(Branta_bernicla)_RWD4.jpg (cropped)
Author: DickDaniels | License: CC BY-SA 3.0 as on 1/10/19
6.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_Puget_Sound_0.jpg (cropped)
Author: USFWS - Pacific Region | License: CC BY 2.0 as on 1/10/19
7.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_Puget_Sound_1.jpg (cropped)
Author: USFWS - Pacific Region | License: CC BY 2.0 as on 1/10/19
8.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_hrota_Tynemouth_Northumberland_3.jpg (cropped)
Author: MPF | License: CC BY-SA 3.0 as on 1/10/19
9.Image source: https://commons.wikimedia.org/ (cropped)
Author: Ian Kirk | License: CC BY 2.0 as on 1/10/19
Link to Creative Commons copyright licenses


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Brent goose facts

   ›      ›   Brent goose facts

The brent goose belongs to the family Anatidae under the order Anseriformes. It is also known as brant goose.

This goose species breeds in Arctic region. The goose species is a long distance migrant and winters in southern coastal areas.

Brent goose - key facts

  • Common English name: Brent goose
  • Other names: Brant, Brant Goose
  • Scientific name: Branta bernicla
  • Family: Anatidae (ducks, swans and geese)
  • Description: Small (slightly larger than mallard), dark upperparts, varying underpart plumage
  • Measurements: Length 55-65 cm; weight 850-1800 gm; wingspan 110–125 cm
  • Distribution: North America, Asia, Europe
  • Habitat: Arctic tundra, ice tundra, grass tundra, coastal ecosystem
  • Diet and feeding habits: marine algae, grass, moss, lichen

  • IUCN: Least Concern (LC)
  • Species author: (Linnaeus, 1758)


Vernacular names of Brent goose

  • Chinese: 黑雁
  • French: Bernache cravant
  • German: Ringelgans
  • Japanese: コクガン
  • Spanish: Barnacla carinegra
  • Russian: Чёрная казарка

Taxonomic facts of Branta bernicla

Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Anseriformes
Family:Anatidae
Genus:Branta
Species:B. bernicla
Subspecies:4 subspecies
Binomial name:Branta bernicla
Synonyms/Protonym:Anas Bernicla Linnaeus, 1758

Subspecies of Branta bernicla

  • Branta bernicla bernicla (Linnaeus, 1758)
  • Branta bernicla hrota (O. F. Müller, 1776)
  • Branta bernicla nigricans (Lawrence, 1846)
  • Branta bernicla orientalis Tugarinov, 1941
brent goose - pale-bellied
1.Brent goose (pale-bellied)
Image by Peter Massas


Branta bernicla (pale-bellied)
2.Brent goose (pale-bellied)
Image by Arnstein Rønning
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1.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_-Keyport,_New_Jersey,_USA-8.jpg (cropped)
Author: Peter Massas | License: CC BY-SA 2.0 as on 1/10/19
2.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_Lvk.jpg (cropped)
Author: Arnstein Rønning | License: CC BY-SA 4.0 as on 1/10/19
Link to Creative Commons copyright licenses


Recently updated and current topic in Bird World: Brent goose (Branta bernicla) facts.

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Brent goose (Branta bernicla)

   ›      ›   Brent goose - Branta bernicla

The brent goose (Branta bernicla) aka brant belongs to the family of duck, swan and goose, the Anatidae.

The brent goose is distributed in North America, Europe and Asia. The brant species is fully migratory. This goose species is polytypic, comprising four recognized subspecies.

Overview & Quick Facts Description & Identification
Pictures of Brent Goose Distribution & Range
Ecosystem & Habitat Diet & Feeding Behavior
Breeding Habits Migration & Movement Patterns
Conservation & Survival IUCN Status
Taxonomy & Classification Bird World

Description and identification of Brent goose

The brent goose (Branta bernicla) is a small goose, measuring 55 to 65 cm in length and weighing 850 to 1800 grams. The males are slightly larger.

These goose species have black, gray, grayish brown and white plumage. There is variations in plumage color among the races. The head, neck, back and tail are black or blackish brown.

There are black forms and dark-bellied and pale-bellied forms. There are ring-like white patches on the neck. The undertail is white.

The bill is duck-like and black. The legs and feet are blackish gray. The irises are dark. There is a dark eye-ring. The call is a loud "quank" or "quak" sound.
Brent goose - Branta bernicla
1.Brent goose - Branta bernicla
Image by Tim Bowman, USFWS


Branta bernicla
2.Brent goose - Branta bernicla
Image by Peter Massas

Branta bernicla
3.Brent goose - Branta bernicla
Image by Arpingstone

Geographical range and distribution of Brent goose

The breeding populations of the brent goose species are distributed in Arctic North America, Arctic European islands and Arctic Asia.

The wintering populations are distributed in west and east coast of North America, west coast of Europe, eastern coast of China, North Korea, South Korea and Japan.

Several Important Bird and Biodiversity Areas (IBA) of these brent goose species have been notified in several countries, viz., Canada, USA, Mexico, United Kingdom, Ireland, France, Norway, Sweden, Netherlands, Russia and Japan.

Ecosystem and habitat

The brent goose species do not occur in forests. They normally occur in altitudes between 0 to 100 meters. The artificial ecosystems include pasturelands and coastal agricultural fields.

The natural ecosystems and habitats of the goose species include Arctic tundra, Arctic coastlines, tundra grasslands, estuaries, mudflats, saltmarshes, shallow seas with emergent seaweeds and eel-grass.

Diet and feeding behavior

The diet of the brent goose species consists mainly of plant matter. Seaweeds, macroalgae, eelgrass, sea lettuce, arrow-grass, terrestrial grasses, mosses, lichens and cereal crops are their primary food.

These goose species are also known to feed on insects and aquatic invertebrates like, snails, amphipods, fish-eggs and marine worms.

Reproduction and breeding habits

The breeding season of these brent goose species is during June in most of their breeding range. They are monogamous and breed as single pairs or in small, loose colonies. They synchronize egg-laying period.

The breeding ecosystem includes coastal Arctic tundra, Arctic grassy islands and icy tundra. The nest is a bowl-like shallow depression on elevated ground, often lined with grass and down feathers.

The clutch may contain three to five off-white colored oval eggs. The female incubates the eggs. The male remains close and guards the nest. The chicks hatch out after 24 to 26 days of incubation. The hatchlings are precocial, able to feed themselves almost immediately. The young birds fledge after six weeks.

Migration and movement patterns

The brent goose species are fully migratory birds. They breed in Arctic North America and Arctic Asia. They migrate southwards during September and arrive at the wintering grounds in late September and October.

These goose species winter in west and east coast of North America, west coast of Europe and the eastern coast of China, North Korea, South Korea and Japan. The return migration to the Arctic breeding grounds occurs in early summer, from mid-March to mid-April (Madge and Burn 1988).

Brent goose - Quick Facts

  • Scientific name: Branta bernicla
  • Species author: (Linnaeus, 1758)
  • Synonyms/Protonym: Anas Bernicla Linnaeus, 1758
  • Family: Anatidae › Anseriformes › Aves › Chordata › Animalia
  • Vernacular names: English: Brent goose, Chinese: 黑雁, French: Bernache cravant, German: Ringelgans, Spanish: Barnacla carinegra, Russian: Чёрная казарка, Japanese: コクガン
  • Other names: Brent Goose, Brant, Brant Goose
  • Distribution: North America, Asia, Europe
  • Diet and feeding habits: plant matter, grass, moss, lichen
  • IUCN status listing: Least Concern (LC)

Brent goose conservation and survival

The global population size of the brent goose (Branta bernicla) is estimated to number about 560,000 to 650,000 individual birds (Wetlands International 2015). The overall population trend of the species is unknown.

In most of its range, this goose species is reported to be uncommon to fairly common. The generation length is 10.9 years. Its distribution size is about 22,100,000 sq.km.

Ecosystem degradation, ecosystem conversion, adverse weather, climate change, hunting for food, sport hunting and capture of adults and juveniles for pet-trade are the main threats that may endanger the survival of the species.

IUCN and CITES status

The brent goose (Branta bernicla) species does not approach the thresholds for being Vulnerable either under the range size criterion or under the population trend criterion or under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the species and has listed it as of "Least Concern (LC)".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for the brent goose (Branta bernicla).
Taxonomy and scientific classification of Branta bernicla
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Anseriformes
Family:Anatidae
Subfamily:-
Genus:Branta
Species:B. bernicla
Binomial name:Branta bernicla
IUCN status listing:
Least Concern
The brent goose (Branta bernicla) is known to hybridize with red-breasted goose (Branta ruficollis).
The recognized four subspecies of the brent goose (Branta bernicla) are:
B. b. bernicla (Linnaeus, 1758),
B. b. hrota (O. F. Müller, 1776),
B. b. nigricans (Lawrence, 1846) and
B. b. orientalis Tugarinov, 1941.
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1.Brent goose image source: https://commons.wikimedia.org/ (cropped)
Author: Tim Bowman, USFWS | License: Public domain as on 1/10/19
2.Image source: https://commons.wikimedia.org/wiki/File:Branta_bernicla_-Keyport,_New_Jersey,_USA-8.jpg (cropped)
Author: Peter Massas | License: CC BY-SA 2.0 as on 1/10/19
3.Image source: https://commons.wikimedia.org/wiki/File:Black.brant.slimbridge.march2007.arp.jpg (cropped)
Author: Arpingstone | License: Public domain as on 1/10/19
Link to Creative Commons copyright licenses


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Ecuadorian cacique | American birds

   ›      ›   Ecuadorian cacique - Cacicus sclateri

The Ecuadorian cacique (Cacicus sclateri) belongs to the family of New World orioles, oropendolas and caciques, the Icteridae.

The Ecuadorian cacique is distributed over Colombia, Ecuador and Peru in South America. The cacique species are non-migrant resident birds. These caciques are monotypic.

Overview & Quick Facts Description & Identification
Pictures of Ecuadorian Cacique Distribution & Range
Ecosystem & Habitat Diet & Feeding Behavior
Breeding Habits Migration & Movement Patterns
Conservation & Survival IUCN Status
Taxonomy & Classification Bird World

Appearance, physical description and identification

The Ecuadorian cacique (Cacicus sclateri) is a slender cacique, measuring 19 to 23 cm in length and weighing 50 to 60 grams.

The Ecuadorian cacique has entirely black plumage. There may be a few yellow feathers on the rump. The tail is long.

The bill is long, pointed and whitish. The legs and feet are grayish. The irises are pale blue. There is a pale gray eye-ring. Their call is a loud "peek.. peek.. pio.. pio" sound.
Ecuadorian cacique - Cacicus sclateri
Ecuadorian cacique - Cacicus sclateri
Image by Alphonse Joseph Charles Dubois


Origin, geographical range and distribution

The Ecuadorian cacique species are distributed over southwest Colombia, western Ecuador and northern Peru in South America.

The Important Bird and Biodiversity Areas (IBA) of the Ecuadorian cacique in Colombia is Riberas del Río Duda. The IBA of these species in Peru is Reserva Nacional Pacaya Samiria.

The IBA of these species in Ecuador are, Territorio Achuar, Arajuno-Alto Napo, Reserva de Producción Faunística Cuyabeno and Bajo Napo.

Ecosystem and habitat

The Ecuadorian cacique species have moderate forest dependence. They normally occur in altitudes between 0 to 550 meters. The artificial ecosystems and habitats include plantations, rural gardens and degraded forests.

The natural ecosystems and habitats of the cacique species include tropical and subtropical moist lowland forests, seasonal flood plain forests, tropical and subtropical swamps and foothill forests.

Diet and feeding behavior

The diet of the Ecuadorian cacique species consists mainly of invertebrates. Insects, caterpillars, beetles, ants, spiders, fruits and nectar are their primary food.

These species are mostly arboreal and moving through the tree canopy, glean insects from the foliage. Sometimes, they forage in pairs or in small family groups.

Reproduction and breeding habits

The breeding season of these Ecuadorian cacique species is during January in most of their breeding range. They are believed to be monogamous solitary breeders. Not much is known about their reproduction and breeding habits.

Migration and movement patterns

These species are non-migratory, sedentary birds.

Post breeding, the juveniles may disperse and establish in new locations within the range. They may make local movements within their range for feeding and breeding.

Ecuadorian cacique - Quick Facts

  • Scientific name: Cacicus sclateri
  • Species author: (Dubois, 1887)
  • Synonyms/Protonym: Agelaeus sclateri A. J. C. Dubois, 1887
  • Family: Icteridae › Passeriformes › Aves › Chordata › Animalia
  • Vernacular names: English: Ecuadorian cacique, Chinese: 厄瓜多尔酋长鹂, French: Cassique d’Équateur, German: Trauerkassike, Spanish: Cacique ecuatoriano, Russian: Эквадорский чёрный кассик, Japanese: ヒメクロツリスドリ
  • Other names: Ecuadorian Black Cacique
  • Distribution:Colombia, Ecuador, Peru
  • Diet and feeding habits: insects, fruits, nectar
  • IUCN status listing: Least Concern (LC)

Conservation and survival

The global population size of the Ecuadorian cacique (Cacicus sclateri) has not been quantified. The overall population trend of the species is reported to be stable.

In most of its range, this species is reported to be fairly common (Stotz et al. 1996). The generation length is 4.6 years. Its distribution size is about 323,000 sq.km.

Ecosystem degradation, ecosystem conversion, deforestation, human activities in their range are the main threats that may endanger the survival of the species.

IUCN and CITES status

The Cacicus sclateri species does not approach the thresholds for being Vulnerable either under the range size criterion or under the population trend criterion or under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the species and has listed it as of "Least Concern (LC)".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for the Ecuadorian cacique (Cacicus sclateri).
Taxonomy and scientific classification of Cacicus sclateri
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Passeriformes
Family:Icteridae
Subfamily:-
Genus:Cacicus
Species:C. sclateri
Binomial name:Cacicus sclateri
IUCN status listing:
Least Concern
The Ecuadorian cacique (Cacicus sclateri) was earlier placed under the genus Archiplanus. The Cacicus sclateri is closely related to Selva cacique (Cacicus koepckeae).
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Ecuadorian cacique image source: https://en.wikipedia.org/wiki/File:Cacicus_sclateri_1888.jpg
Image author: Alphonse Joseph Charles Dubois | License: Public domain
Link to Creative Commons copyright licenses


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Yellow-rumped siskin | American birds

   ›      ›   Yellow-rumped siskin - Spinus uropygialis

The yellow-rumped siskin (Spinus uropygialis) belongs to the family of siskins, canaries and grosbeaks, the Fringillidae.

The yellow-rumped siskin is distributed in Peru, Bolivia, Chile and Argentina. The siskin species are partially migratory. These siskins are monotypic.

Overview & Quick Facts Description & Identification
Pictures of Yellow-rumped Siskin Distribution & Range
Ecosystem & Habitat Diet & Feeding Behavior
Breeding Habits Migration & Movement Patterns
Conservation & Survival IUCN Status
Taxonomy & Classification Bird World

Appearance, physical description and identification

The yellow-rumped siskin (Spinus uropygialis) is a small siskin, measuring 12 to 13 cm in length and weighing 14 to 15 grams.

The yellow-rumped siskin has black hood covering head, face, neck and throat. The back and wing coverts are blackish. The rump and the underparts are yellowish. The tail is notched.

The bill is conical, pointed and dark gray. The legs and feet are blackish. The irises are blackish. There is a pale eye-ring. Their call is a sharp, loud twittering sound.
Yellow-rumped siskin - Spinus uropygialis
Yellow-rumped siskin - Spinus uropygialis
Image by Bartlett, Edward


Origin, geographical range and distribution

The yellow-rumped siskin are distributed in south and central Peru, western Bolivia, central Chile and northwest Argentina.

Ecosystem and habitat

The yellow-rumped siskin species have low forest dependence. They normally occur in altitudes between 2000 to 3500 meters. The artificial ecosystems and habitats include agricultural lands and rural gardens.

The natural ecosystems and habitats of the siskin species include tropical and subtropical montane forests, tropical and subtropical dry shrublands and high altitude shrublands, mountain slopes and lightly wooded plains.

Diet and feeding behavior

The diet of the yellow-rumped siskin species consists mainly of small seeds. Plant seeds, grass seeds and small insects are their primary food. They forage on the ground or on low bushes.

Reproduction and breeding habits

The breeding season of the yellow-rumped siskin species is from February to May in most of their breeding range. Not much is known about their reproduction and breeding habits.

Migration and movement patterns

These species are partially migratory birds. The breeding populations occur in Chile and Argentina. These species winter in Peru and Bolivia. There is also altitudinal migration and erratic wandering in non-breeding season.

Yellow-rumped siskin - Quick Facts

  • Scientific name: Spinus uropygialis
  • Species author: (PL Sclater, 1862)
  • Synonyms/Protonym: Chrysomitris uropygialis P. L. Sclater, 1862
  • Family: Fringillidae › Passeriformes › Aves › Chordata › Animalia
  • Vernacular names: English: Yellow-rumped siskin, Chinese: 黄腰金翅雀, French: Tarin à croupion jaune, German: Kordillerenzeisig, Spanish: Jilguero cordillerano, Russian: Желтопоясничный чиж, Japanese: キゴシクロヒワ
  • Other names: Yellow-rumped Siskin
  • Distribution:Peru, Bolivia, Chile, Argentina
  • Diet and feeding habits: insects, seeds
  • IUCN status listing: Least Concern (LC)

Conservation and survival

The global population size of the yellow-rumped siskin (Spinus uropygialis) has not been quantified. The overall population trend of the species is reported to be stable.

In most of its range, this siskin species is reported to be fairly common but patchily distributed (Stotz et al. 1996). The generation length is 4.2 years. Its distribution size is about 216,000 sq.km.

Ecosystem degradation, ecosystem conversion, deforestation, human activities in the breeding range and capture of adults and juveniles for pet-trade are the main threats that may endanger the survival of the species.

IUCN and CITES status

The Spinus uropygialis species does not approach the thresholds for being Vulnerable either under the range size criterion or under the population trend criterion or under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the species and has listed it as of "Least Concern (LC)".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for the yellow-rumped siskin (Spinus uropygialis).
Taxonomy and scientific classification of Spinus uropygialis
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Passeriformes
Family:Fringillidae
Subfamily:-
Genus:Spinus
Species:S. uropygialis
Binomial name:Spinus uropygialis
IUCN status listing:
Least Concern
The yellow-rumped siskin (Spinus uropygialis) is closely related to the hooded siskin (Spinus magellanicus). It hybridizes with S. magellanicus in southern Peru.
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Yellow-rumped siskin image source: https://www.flickr.com/photos/internetarchivebookimages/14563890138/
Image author: Bartlett, Edward, d. 1908 | License: No known copyright restrictions
Link to Creative Commons copyright licenses


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Red-necked stint images

   ›      ›   Red-necked stint (Calidris ruficollis) images
Taxonomic classification   < >   Images

The red-necked stint (Calidris ruficollis) belongs to the family Scolopacidae under the order Charadriiformes.

Red-necked stint taxonomy

The family Scolopacidae comprises stints, curlews, snipes and sandpipers. The family Scolopacidae was first described by Constantine Samuel Rafinesque-Schmaltz (22 October 1783 – 18 September 1840), a zoologist, botanist, writer and polyglot, in the year 1815.

The family Scolopacidae comprises twenty five genera, including Calidris. The genus Calidris was first described by Blasius Merrem (4 February 1761 – 23 February 1824), a German naturalist, zoologist and ornithologist, in the year 1804.

The genus Calidris comprise 23 species, including the stint species Calidris ruficollis. The species Calidris ruficollis was first described by Peter Simon Pallas FRS FRSE (22 September 1741 – 8 September 1811), a Prussian zoologist and botanist, in the year 1776.

The stint species Calidris ruficollis has been listed as "Near Threatened" (NT) by the International Union for Conservation of Nature.

Taxonomic classification
Binomial name:Calidris ruficollis
Species:C. ruficollis
Genus:Calidris
Subfamily:-
Family:Scolopacidae
Order:Charadriiformes
Class:Aves
Phylum:Chordata
Kingdom:Animalia
Red-necked stint - Calidris ruficollis
1.Red-necked stint - Calidris ruficollis
Image by Alpsdake


Calidris ruficollis
2.Red-necked stint - Calidris ruficollis
Image by Alpsdake

Calidris ruficollis
3.Red-necked stint - Calidris ruficollis
Image by Alpsdake

Calidris ruficollis
4.Red-necked stint - Calidris ruficollis
Image by JJ Harrison

Calidris ruficollis
5.Red-necked stint - Calidris ruficollis
Image by JJ Harrison

Calidris ruficollis
6.Red-necked stint - Calidris ruficollis
Image by JJ Harrison

Calidris ruficollis
7.Stint species Calidris ruficollis
Image by JJ Harrison

Calidris ruficollis
8.Calidris ruficollis
Image by JJ Harrison

Calidris ruficollis
9.Calidris ruficollis
Image by John Manger, CSIRO
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1.Red-necked stint image source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_summer_plumage.JPG (cropped)
Author: Alpsdake | License: CC BY-SA 3.0 as on 1/5/19
2.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_in_Fujimae-higata.JPG (cropped)
Author: Alpsdake | License: CC BY-SA 3.0 as on 1/5/19
3.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_wing.JPG (cropped)
Author: Alpsdake | License: CC BY-SA 3.0 as on 1/5/19
4.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_-_Pak_Thale.jpg (cropped)
Author: JJ Harrison | License: CC BY 3.0 as on 1/5/19
5.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_2.jpg (cropped)
Author: JJ Harrison | License: CC BY-SA 3.0 as on 1/5/19
6.Image source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_2_-_Pak_Thale.jpg (cropped)
Author: JJ Harrison | License: CC BY-SA 3.0 as on 1/5/19
7.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_-_Marion_Bay.jpg (cropped)
Author: JJ Harrison | License: CC BY-SA 3.0 as on 1/5/19
8.Source: https://commons.wikimedia.org/wiki/File:Calidris_ruficollis_-_Boat_Harbour.jpg (cropped)
Author: JJ Harrison | License: CC BY-SA 4.0 as on 1/5/19
9.Source: https://commons.wikimedia.org/wiki/File:CSIRO_ScienceImage_10330_Rednecked_Stint.jpg (cropped)
Author: John Manger, CSIRO | License: CC BY 3.0 as on 1/5/19
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