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A number of terns face serious threats, and the Chinese crested tern is classed as "critically endangered" by BirdLife International. It has a population of fewer than 50 birds and a breeding range of just 9 km 2 (3.5 sq mi).
The western population, the California least tern, was listed as an endangered species in 1972 with a population of about 600 pairs.With aggressive management, mainly by the exclusion of humans via fencing, the Californian population has rebounded in recent years to about 4500 pairs, a marked increase from 582 pairs in 1974 when census work began, though it is still listed as an endangered ...
The California least tern (Sternula antillarum browni) is a subspecies of least tern that breeds primarily in bays of the Pacific Ocean within a very limited range of Southern California, in San Francisco Bay and in northern regions of Mexico. This migratory bird is a U.S. federally listed endangered subspecies. The total population of the ...
The Pennsylvania Game Commission reports common terns have fledged for the first time in 60 years in Erie. ... The agency credits intervention and innovation for the success of these endangered birds.
Highly pathogenic avian influenza has killed at least 64% of breeding Caspian terns in Wisconsin this summer. The species could take years to recover. 'Catastrophic' avian flu devastates ...
The majority of the species were considered endangered in the 1970s and 1980s when they “were in very low numbers or likely already extinct at the time of listing,” the release said.
The common tern [2] (Sterna hirundo) is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white ...
The roseate tern is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds applies. The Canadian Wildlife Service lists the roseate tern as Threatened. The U.S. Department of Interior lists the northeastern population as Endangered and the Caribbean population as Threatened. [12]