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Laughing gull Ring-billed gull Least tern. Laridae is a family of medium to large seabirds and includes gulls, terns, kittiwakes, and skimmers. They are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Black-legged kittiwake, Rissa tridactyla (A) Sabine's gull, Xema sabini (A)
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 white-winged dove of southwestern North America was known to nest in large colonies when foraging areas could support such numbers. In 1978, in Tamaulipas , Mexico, researchers counted 22 breeding colonies of white-winged doves with a collective population size of more than eight million birds.
Which hummingbirds have you seen in Oklahoma so far this spring? Plus, what to know about attracting hummingbirds to your garden.
This is a list of species of fauna that have been observed in the U.S. state of Oklahoma. This list is incomplete ; you can help by adding missing items . ( February 2011 )
The plumage of the Inca tern is the most atypical of the group.. Terns range in size from the least tern, at 23 cm (9.1 in) in length and weighing 30–45 g (1.1–1.6 oz), [1] [2] to the Caspian tern at 48–56 cm (19–22 in), 500–700 g (18–25 oz).
In the 1950’s, there were only about 30 Nene, according to the Department of Land & Natural Resources (DLNR). Now, Hawaii is home to almost 3,000.
The little tern breeds in colonies on gravel or shingle coasts and islands. It lays two to four eggs on the ground. Like all white terns, it is defensive of its nest and young and will attack intruders. Like most other white terns, the little tern feeds by plunge-diving for fish, either in coastal saline environments, or inland, along larger ...