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A rookery is a colony breeding rooks, and more broadly a colony of several types of breeding animals, generally gregarious [1] birds. [ 2 ] Coming from the nesting habits of rooks, the term is used for corvids and the breeding grounds [ 3 ] of colony-forming seabirds , marine mammals ( true seals or sea lions ), and even some turtles .
The northern mockingbird is the state bird of Texas. The list of birds of Texas is the official list of species recorded in the U.S. state of Texas according to the Texas Bird Records Committee (TBRC) of the Texas Ornithological Society. As of January 2024, the list contained 664 species. Of them, 170 are considered review species. Eight species were introduced to Texas, two are known to be ...
Other sounds are made around the rookery; a high-pitched squawk, a "burring" sound and a semi-chirruping call. Solitary birds occasionally "sing", apparently to themselves, uttering strange clicks, wheezes and human-like notes; the song has been described as a "base or guttural reproduction of the varied and spluttering song" of starlings. [9]
Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. A group of birds congregating for rest is called a communal roost. Approximately 13% of all bird species nest colonially. [110] Nesting colonies are very common among seabirds on cliffs and islands. Nearly 95% of ...
Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. Colonial nesting birds include seabirds such as auks and albatrosses ; wetland species such as herons ; and a few passerines such as weaverbirds , certain blackbirds , and some swallows .
Depending on the subspecies involved, the roadside hawk is mainly brown or grey. It is fairly common to observe a touch of rufous (i.e., a light reddish-brown) on the bird's wings, especially when seen in flight. [12] Its call is a very high-pitched piercing squeak. The eyes of adult roadside hawks are whitish or yellow.
Hawaiian monk seals grow to be 6-7 feet long, weigh 400-600 pounds, and can live more than 30 years. Males and females are generally the same size — the only way to tell them apart is to look at ...
State seal: Seal of Texas: December 29, 1845 Reverse of the seal August 26, 1961 National coat of arms: Coat of arms of the Republic of Texas January 25, 1839 State coat of arms: Coat of arms of Texas: 1993 National guard crest Crest of the Texas National Guard: February 18, 1924 Flower: Bluebonnets (Lupinus spp., namely Texas bluebonnet, L ...