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The male (called the "tiercel") and the female (simply called the "falcon") both leave the nest to gather prey to feed the young. [58] The hunting territory of the parents can extend a radius of 19 to 24 km (12 to 15 mi) from the nest site. [ 96 ]
The traditional term for a male falcon is tercel (British spelling) or tiercel (American spelling), from the Latin tertius because of the belief that only one in three eggs hatched a male bird. Some sources give the etymology as deriving from the fact that a male falcon is about one-third smaller than a female [ 18 ] [ 19 ] [ 20 ] ( Old French ...
In early English falconry literature, the word "falcon" referred to a female peregrine falcon only, while the word "hawk" or "hawke" referred to a female hawk. A male hawk or falcon was referred to as a "tiercel" (sometimes spelled "tercel"), as it was roughly one-third less than the female in size.
Peregrine Falcons nest within Oregon Islands, Three Arch Rocks, and Cape Meares National Wildlife Refuges, OR. Photo courtesy of Roy W. Lowe: Date: Taken on 13 June 2010, 14:58: Source: Male Peregrine Falcon. Uploaded by Dolovis; Author: U.S. Fish and Wildlife Service Headquarters
The peregrine falcon was removed from the federal endangered species list in 1999 although it continues to be protected under the federal Migratory Bird Treaty Act. It is still listed as a species ...
Peale's falcon (Falco peregrinus pealei) is a subspecies of the peregrine falcon. This subspecies was first identified by the ornithologist Robert Ridgway in 1873, named in honor of Titian Ramsay Peale. These birds are the largest subspecies of peregrines (on average) anywhere in the world.
Four male peregrine falcon chicks recently hatched at Union County's Courthouse Tower have new identification bands that will assist the county and wildlife preservation personnel in tracking ...
Ares, a male peregrine falcon, takes turns guarding the egg laid by his mate Astrid on Saturday, March 23, 2024 in a nest box on the Adirondack Bank Building in downtown Utica. Typically Astrid ...