Showing posts with label Anas poecilorhyncha. Show all posts
Showing posts with label Anas poecilorhyncha. Show all posts

Indian spot-billed duck images

   ›      ›   Indian spot-billed duck - Anas poecilorhyncha images
Taxonomic classification   < >   Images
The Indian spot-billed duck (Anas poecilorhyncha) belongs to the family of ducks, geese and swans, the Anatidae under the order Anseriformes.

Indian spot-billed duck taxonomy

The Anatidae is the family of ducks, wigeons, geese and swans. 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 family Anatidae comprises seven subfamilies, including Anatinae. The subfamily Anatinae was first described by William Elford Leach, MD, FRS (2 February 1791 – 25 August 1836), an English zoologist and marine biologist, in the year 1820.

Several genera have been placed under the subfamily Anatinae, including Anas. The genus Anas was first described by Carl Linnaeus (23 May 1707 – 10 January 1778), a Swedish botanist, physician and zoologist, in the year 1758.

The genus Anas comprises thirty-one species of teals and ducks, including, Anas poecilorhyncha. The Anas poecilorhyncha duck species was first described by Johann Reinhold Forster (22 October 1729 – 9 December 1798), a naturalist, in the year 1781.

This duck species is polytypic and comprises two subspecies, viz., A. p. poecilorhyncha Forster, 1781 and A. p. haringtoni (Oates, 1907).

Taxonomic classification
Binomial name:Anas poecilorhyncha
Species:A. poecilorhyncha
Genus:Anas
Subfamily:-
Family:Anatidae
Order:Anseriformes
Class:Aves
Phylum:Chordata
Kingdom:Animalia
Indian spot-billed duck - Anas poecilorhyncha
1.Indian spot-billed duck - Anas poecilorhyncha
Image by Ali Arsh


Indian spot-billed duck - Anas poecilorhyncha
2.Indian spot-billed duck - Anas poecilorhyncha
Image by Dr. Raju Kasambe

Indian spot-billed duck - Anas poecilorhyncha
3.Indian spot-billed duck - Anas poecilorhyncha
Image by Dr. Raju Kasambe

Anas poecilorhyncha
4.Indian spot-billed duck - Anas poecilorhyncha
Image by Davidvraju

Anas poecilorhyncha
5.Indian spot-billed duck - Anas poecilorhyncha
Image by Lip Kee

Anas poecilorhyncha
6.Indian spot-billed duck - Anas poecilorhyncha
Image by Lip Kee

Anas poecilorhyncha
7.Indian spot-billed duck - Anas poecilorhyncha
Image by Lip Kee

Anas poecilorhyncha
8.Indian spot-billed duck - Anas poecilorhyncha
Image by Lip Kee

Anas poecilorhyncha
9.Indian spot-billed duck - Anas poecilorhyncha
Image by Mayank Sharma
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1.Image source: https://www.flickr.com/photos/ali_arsh/9313955701/ (cropped)
Author: Ali Arsh | License: CC BY-NC 2.0 as on 8/23/18
2.Image source: https://commons.wikimedia.org/wiki/File:Indian_Spot-billed_Duck_Anas_poecilorhyncha_by_Dr._Raju_Kasambe_DSCN3821_(10).jpg (cropped)
Author: Dr. Raju Kasambe | License: CC BY-SA 4.0 as on 8/23/18
3.Image source: https://en.wikipedia.org/ (cropped)
Author: Dr. Raju Kasambe | License: CC BY-SA 4.0 as on 8/23/18
4.Image source: https://en.wikipedia.org/wiki/File:Davidraju_IMG_3845.jpg (cropped)
Author: Davidvraju | License: CC BY-SA 4.0 as on 8/23/18
5.Image source: https://www.flickr.com/photos/lipkee/2427711091/ (cropped)
Image author: Lip Kee | License: CC BY-SA 2.0 as on 8/22/18
6.Image source: https://www.flickr.com/photos/lipkee/2427710691/ (cropped)
Author: Lip Kee | License: CC BY-SA 2.0 as on 8/22/18
7.Image source: https://www.flickr.com/photos/lipkee/588750877/in/photostream/ (cropped)
Author: Lip Kee | License: CC BY-SA 2.0 as on 8/22/18
8.Image source: https://www.flickr.com/photos/lipkee/589073542/ (cropped)
Author: Lip Kee | License: CC BY-SA 2.0 as on 8/22/18
9.Image source: https://www.flickr.com/photos/geekybodhi/6275808299/in/photostream/ (cropped)
Author: Mayank Sharma | License: CC BY-SA 2.0 as on 8/22/18
Current topic in Bird World: Indian spot-billed duck - Anas poecilorhyncha images.
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Indian spot-billed duck

   ›      ›   Indian Spot-billed duck - Anas poecilorhyncha.

The Indian Spot-billed duck (Anas poecilorhyncha) is a dabbling duck belonging to the family Anatidae.

The Indian Spot-billed duck species are distributed in Asia, Indian Subcontinent, Myanmar, China and Southeast Asian countries.

Taxonomy

  • Scientific Name: Anas poecilorhyncha
  • Common Name: Spot-billed duck
  • French: Canard Γ  bec tachetΓ©; German: Indien-Fleckschnabelente; Spanish: Ánade picopinto indio;
  • Other names: Indian spot-billed duck;
  • Family: Anatidae › Anseriformes › Aves › Chordata › Animalia
  • Species author: Forster, 1781
The two recognized subspecies are A. p. poecilorhyncha (Indian Spot-billed Duck) Forster, 1781 and A. p. haringtoni (Burmese Spot-billed Duck) (Oates, 1907).

Anas poecilorhyncha is now considered as a separate species from A. zonorhyncha. It is also considered closely related to A. superciliosa and A. luzonica.
Indian birds - Spot-billed duck - Anas poecilorhyncha
Indian birds - Spot-billed duck - Anas poecilorhyncha



Description

The male spot-billed ducks are larger than the females, measuring 60 to 65 cm in length and weighing 1,200 to 1,500 grams. The females weigh 800 to 1,350 grams. Their wingspan is 80 to 90 cm.

It has a scaly patterned body with a green speculum and a band of white tertials. The body is brown-grey. The females are more brown with duller patterns. The dark bill is tipped yellow. The male duck has an orange red patch at the base of the bill.

Habitat

These spot-billed duck species inhabit both inland and coastal wetlands such as ponds, lakes, pools, streams, creeks, estuaries, tidal flats and marshes.

Feeding habits

They mostly feed on grasses and other vegetations. Sometimes they may feed on insects.

Breeding

The breeding season varies according to the local rainy season. The birds in Northern India breed during July to October and those in South India breed during November and December.

The nest is built near water and is concealed in vegetation. Eight to twelve eggs may be seen in the nest.

Distribution

The subspecies A. p. poecilorhyncha is distributed in the Indian Subcontinent, including Pakistan, Nepal and Bangladesh. The subspecies A. p. haringtoni is distributed in Assam State in India, Myanmar, China and Vietnam.

Movement Patterns

These spot-billed duck species are mostly sedentary and they may migrate locally for water sources and feeding grounds.

Status and conservation

These duck population is large and is widespread. The combined population of both the subspecies is estimated to be 150,000-1,100,000 individuals. There is pressure of hunting, habitat degradation and hybridization with other closely related species.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated these spot-billed duck species and has listed them as of "Least Concern".

Biological classification of Anas poecilorhyncha
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Anseriformes
Family:Anatidae
Subfamily:-
Genus:Anas
Species:A. poecilorhyncha
Binomial name:Anas poecilorhyncha
Distribution:Indian Subcontinent, China, Myanmar, Southeast Asia;
Feeding habits:seeds, insects, aquatic plants, roots, tubers and shoots;
IUCN status listing:
Least Concern

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Image source: http://commons.wikimedia.org/wiki/File:Spot-billed_Duck_(Anas_poecilorhyncha)_in_Hyderabad_W2_IMG_8867.jpg
Author: J.M.Garg | License: CC BY-SA 3.0
Current topic in Birds of India: Spot-billed duck - Anas poecilorhyncha.
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