Showing posts with label Storm petrels. Show all posts
Showing posts with label Storm petrels. Show all posts

Swinhoe's storm petrel

   ›      ›   Swinhoe's storm petrel - Oceanodroma monorhis.

Swinhoe's storm petrel (Oceanodroma monorhis) is a small seabird belonging to the family Hydrobatidae. Swinhoe's storm petrel ranges across Indian Ocean, Arabian Sea, Pacific Ocean and Atlantic Ocean. These birds breed in islands off the coast of China, Japan, Russia and Korea.

The International Union for Conservation of Nature (IUCN) had categorized and evaluated these shearwater species and had listed them as 'Near Threatened'.

These petrels are small birds, measuring 18 to 20 in length and weighing 25 to 55 grams. They have a wingspan of about 50 cm. They are dark brown in color with a notched tail. They feed on small fish and shrimp. They are normally a pelagic birds and are rarely seen in the coastal waters. They breed on offshore islands. The female lays a single egg in the rock crevices and burrows.

Indian birds - Swinhoe's storm petrel - Oceanodroma monorhis
Indian birds - Swinhoe's storm petrel - Oceanodroma monorhis

Biological classification of Oceanodroma monorhis
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Procellariiformes
Family:Hydrobatidae
Subfamily:Hydrobatinae
Genus:Oceanodroma
Species:O. monorhis
Binomial name:Oceanodroma monorhis
Distribution:Arabian Sea, Indian Ocean, Pacific Ocean,
Feeding habits:fish, squids and shrimp;
IUCN status listing:
Near Threatened

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Image source: en.wikipedia.org/wiki/File:OceanodromaMonorhisSmit.jpg
Author: Joseph Smit | License: Public domain
Current topic in Birds of India: Swinhoe's storm petrel - Oceanodroma monorhis.
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Black-bellied storm petrel

   ›      ›   Black-bellied storm petrel - Fregetta tropica.

The black-bellied storm petrel (Fregetta tropica) is a seabird in the Hydrobatidae family. The black-bellied storm petrel ranges across tropical and subtropical major oceans including Indian Ocean and Arabian Sea. It is found in Antarctica, Argentina, Australia, Brazil, Chile, New Zealand, Oman, South Africa, South India and several oceanic islands.

The International Union for Conservation of Nature (IUCN) had categorized and evaluated these petrel species and had listed them as of 'Least Concern'.

These petrels are small, measuring 20 cm in length and weighing 40 to 60 grams. They have a wingspan of 45 cm. They are near blackish in color and have white upper tail-coverts. They are rarely seen from the shore, except during breeding season starting by September. They feed on small fish, squid and shrimps.

Indian birds - Blackish bellied storm petrel - Fregetta tropica
Indian birds - Black-bellied storm petrel - Fregetta tropica

Biological classification of Fregetta tropica
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Procellariiformes
Family:Hydrobatidae
Subfamily:Oceanitinae
Genus:Fregetta
Species:F. tropica
Binomial name:Fregetta tropica
Distribution:Antarctica, Indian Ocean, Pacific Ocean,
Feeding habits:fish, squids and shrimp;
IUCN status listing:
Least Concern

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Black-throated loon

Image source: en.wikipedia.org/wiki/File:Fregetta_tropica_By_John_Gould.jpg
Author: John Gould | License: Public domain
Current topic in Birds of India: Black-bellied storm petrel - Fregetta tropica.
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White-faced storm petrel

   ›      ›      ›   White-faced storm petrel - Pelagodroma marina.

The white-faced storm petrel (Pelagodroma marina) belongs to the storm petrel family, Hydrobatidae. The white-faced storm petrel is a small seabird and the only representative of the genus Pelagodroma. These birds are distributed throughout subtropical and subantarctic regions of the Atlantic, Indian and south-western Pacific Oceans including Indian Islands.

There are six recognized subspecies, namely, P. m. hypoleuca, P. m. eadesorum, P. m. marina, P. m. dulciae, P. m. maoriana and P. m. albiclunis.

The International Union for Conservation of Nature (IUCN) has categorized and evaluated these bird species and has considered them of "least concern".

The white-faced storm petrel is a small bird with long tail measuring about 20 cm in length and weighing 40-45 grams. Its back, rump and wings are brown-grey with white underside. It has white face and black eye mask. These petrel are pelagic and rarely seen near land. Unlike many other sea birds they do not follow ships and boats.

They breed as colonies in remote sites and lay a single egg. The breeding season extends from spring to summer. These petrels feed on the planktonic food including crustaceans from the ocean surface.
Indian bird - Pelagodroma marina
Indian bird - White-faced storm petrel - Pelagodroma marina

Biological classification of Pelagodroma marina
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Procellariiformes
Family:Hydrobatidae
Subfamily:Oceanitinae
Genus:Pelagodroma
Species:P. marina
Binomial name:Pelagodroma marina
Distribution: subtropical to subantarctic regions of the Atlantic, Indian and south-western Pacific Oceans;
Feeding habits: small fish and planktonic food items from the ocean surface;
IUCN status listing:Least Concern

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Image source: http://en.wikipedia.org/wiki/File:Whitefacedstormpetrel1.jpg
Author: Aviceda | License: CC BY-SA 3.0
Current topic: White-faced storm petrel - Pelagodroma marina.
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Wilson's storm petrel

   ›      ›      ›   Wilson's storm petrel - Oceanites oceanicus.

The Wilson's storm petrel (Oceanites oceanicus) belongs to the family Hydrobatidae. These petrels are widely distributed, occurring in all the oceans including Indian ocean. They are the largest population of seabirds. Three subspecies are recognized namely, O. o. chilensis, O. o. oceanicus and O. o. exasperatus.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated these petrel birds and has listed them of "least concern".

The Wilson's storm petrel is a small bird, measuring 15-20 cm in length and weighing 30-50 grams. The female bird is slightly larger than the male. They have long legs with a distinctive yellow webbing to the feet. They have blackish brown plumage with square ended tail. On the rump there is white 'U' shapes plumage. The wings are short and rounded.

The Wilson's storm petrel birds, rarely seen from land. They are known to follow ships. They feed on the plankton on the surface of the water. These petrels breed on the Antarctic coastlines and nearby islands. They lay a single egg and both the parents take part in feeding the chick. The chick are fed on krill, fish and amphipods.

Indian bird - Wilson's storm petrel - Oceanites oceanicus
Indian bird - Wilson's storm petrel - Oceanites oceanicus

Biological classification of Oceanites oceanicus
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Procellariiformes
Family:Hydrobatidae
Subfamily:Oceanitinae
Genus:Oceanites
Species:O. oceanicus
Binomial name:Oceanites oceanicus
Distribution: the most abundant bird species in the world;
Feeding habits: small fish and planktonic food items from the ocean surface;
IUCN status listing:Least Concern

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Image source: http://en.wikipedia.org/wiki/File:Oceanites_oceanicusPCCA20070623-3634B.jpg
Author: Patrick Coin | License: CC BY-SA 2.5
Current topic: Wilson's storm petrel - Oceanites oceanicus.
Contact State Tourism or travel agents for bird watching and wildlife tours.