Olrog's Gull
Encyclopedia
Olrog's Gull is a species of gull
found along the Atlantic coast of southern Brazil
, Uruguay
and northern Argentina
. It was formerly considered a subspecies
of the very similar L. belcheri
. It is a medium-sized gull with a blackish mantle, white head and underparts, a black band in the otherwise white tail, and a yellow bill with a red and black tip. Non-breeding adults have a blackish head and a white eye-ring. The species is named after Swedish-Argentine biologist Claes C. Olrog.
It is threatened by habitat loss. This bird eats small fish, crabs, and people's garbage.
Gull
Gulls are birds in the family Laridae. They are most closely related to the terns and only distantly related to auks, skimmers, and more distantly to the waders...
found along the Atlantic coast of southern Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
, Uruguay
Uruguay
Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...
and northern Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
. It was formerly considered a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of the very similar L. belcheri
Belcher's Gull
The Belcher's Gull , also known as the or Band-tailed Gull, is a gull found along the Pacific coast of South America. It formerly included the very similar Olrog's Gull as a subspecies. It is a medium-sized gull with a blackish mantle, white head and underparts, a black band in the otherwise white...
. It is a medium-sized gull with a blackish mantle, white head and underparts, a black band in the otherwise white tail, and a yellow bill with a red and black tip. Non-breeding adults have a blackish head and a white eye-ring. The species is named after Swedish-Argentine biologist Claes C. Olrog.
It is threatened by habitat loss. This bird eats small fish, crabs, and people's garbage.