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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 ...
It serves as a critical habitat and winter stopover for many birds along the Pacific Flyway. Among the birds found at the refuge are great blue herons and the three endangered bird species: California clapper rail, California least tern, and Belding's Savannah sparrow. [3] [4] The refuge is located within Naval Weapons Station Seal Beach ...
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The avian family Laridae comprise the noddies, skimmers, kittiwakes, gulls, and terns. The International Ornithological Committee (IOC) recognizes these 104 Laridae species distributed among 22 genera. This list is presented according to the IOC taxonomic sequence and can also be sorted alphabetically by common name and binomial. Common name Binomial name IOC sequence African skimmer Rynchops ...
Genus Sternula – F. Boie, 1822 – seven species ; Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population Little tern ...
For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium support please call: ... Roseate tern not the first rare bird to visit Ohio.
They are slender, lightly built birds with long, forked tails, narrow wings, long bills, and relatively short legs. Most species are pale grey above and white below with a contrasting black cap to the head, but the marsh terns, the black-bellied tern, the Inca tern, and some noddies have dark body plumage for at least part of the year. The ...