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Biota Reference Libraries

Page 5 of about 182 Articles
Pomarine Skua
2008-12-26 09:38:56

The Pomarine Skua (Stercorarius pomarinus), is a species of seabird that breeds in the far north of Eurasia and North America. Its nesting habitat is Arctic tundra and islands. It is migratory and winters at sea in the tropical oceans. In North America this bird is known as the Pomarine Jaeger. It is difficult to identify this species as it is similar to the Arctic Skua and it exists in...

South Polar Skua
2008-12-26 07:51:57

The South Polar Skua (Stercorarius maccormicki), is a species of seabird that is found on the Antarctic coasts. It is migratory and winters at sea in the Pacific Indian and Atlantic Oceans. In the eastern North Atlantic Ocean it is replaced by the Great Skua. It was formerly known as the MacCormick's Skua as its binomial was named after the naval surgeon Robert McCormick, who collected the type...

Australasian Gannet
2008-11-29 19:40:10

The Australasian Gannet (Morus serrator), also known as the Australian Gannet, or Tākapu, is a large seabird found along the coastal islands around Victoria, Tasmania and New Zealand. These birds have been increasing in numbers since 1950, although some colonies have decreased in size, and others have disappeared all together. Adults have a white body with dark wing tips. The head is...

Northern Gannet
2008-11-29 19:35:41

The Northern Gannet (Morus bassanus, formerly Sula bassana), is a large seabird of the gannet family, Sulidae. They range through the North Atlantic. They are commonly found in large colonies, on cliffs overlooking the ocean or on small rocky islands. There is a one colony of this bird on Bonaventure island, Quebec with a total population of over 60,000 birds. More than half of the entire...

Little Swift
2008-11-29 19:24:45

The Little Swift (Apus affinis), also known as House Swift, is a small bird similar in appearance to a barn swallow or house martin. It is, however, unrelated to these passerine species, as swift's are in the separate order Apodiformes. The resemblance between the two orders are due to close life styles brought on through evolution. They are found from Africa eastwards through southern tropical...

Egyptian Nightjar
2008-08-07 11:24:09

The Egyptian Nightjar (Caprimulgus aegyptius), is a medium-small nightjar which occurs in south west Asia and north Africa, and winters in tropical Africa. It is a late migrant, seldom appearing before the end of April or beginning of May. It is a rare visitor to Europe, but, remarkably, has twice occurred as far away as Great Britain. Open desert with a few trees or bushes are the haunts of...

Kittlitzs Plover
2008-08-07 10:41:17

The Kittlitz's Plover (Charadrius pecuarius), is a small plover found in much of sub-Saharan Africa, Madagascar, and the Nile delta. Some birds, especially in coastal areas, are resident, other populations are migratory or nomadic. Its breeding habitat is open ground on beaches or dry mudflats, near water and with little or no plant growth. Kittlitz's Plover is gregarious outside the breeding...

St Helena Plover
2008-08-07 10:35:10

The St. Helena Plover (Charadrius sanctaehelenae), locally known as the Wirebird due to its thin legs, is a small wader endemic to the island of Saint Helena. Kittlitz's Plover is the St. Helena bird's closest relative. The bird was first mentioned in 1638, and is the national bird of Saint Helena, featured on the island's coat of arms. This plover is resident all year on the open areas of...

Common Toad
2008-06-16 14:46:32

The Common Toad (Bufo bufo), or European Toad is widespread throughout Europe, with the exception of Ireland and some Mediterranean islands. Its easterly range extends to Irkutsk in Siberia and its southerly range includes parts of northwestern Africa in the northern mountains of Morocco, Algeria, and Tunisia. Adults can grow 7 inches and their skin has a warty appearance and ranges from...

Japanese White-eye
2008-06-15 15:35:34

The Japanese White-eye (Zosterops japonicus), is a small passerine bird in the white-eye family. Its native range includes much of east Asia, including Japan, China, Vietnam, and the Philippines. It has been intentionally introduced to other parts of the world as a pet and as pest control, with mixed results. As one of the native species of the Japanese islands, it has been depicted in Japanese...

Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.