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A kestrel's habitat must include perches, open space for hunting, and cavities for nesting (whether natural or man-made). [25] The American kestrel is able to live in very diverse conditions, ranging from above the Arctic Circle, [26] to the tropics of Central America, to elevations of over 4,500 m (14,800 ft) in the Andes Mountains. [27]
A juvenile American kestrel (Falco sparverius) perched on the roof of a car in Boston. Most species termed kestrels appear to form a distinct clade among the falcons, as suggested by comparison of mtDNA cytochrome b sequence data [1] and morphology.
Falco tinnunculus - Common Kestrel. The common kestrel (Falco tinnunculus), also known as the European kestrel, Eurasian kestrel or Old World kestrel, is a species of predatory bird belonging to the kestrel group of the falcon family Falconidae. In the United Kingdom, where no other kestrel species commonly occurs, it is generally just called ...
American kestrel populations have been declining across the Northeast for decades. In New Hampshire, the bird is listed as a "species of greatest conservation need," while other states, including ...
Juvenile grey kestrels are browner than the adults with a greenish cere and greenish around the eye. Juvenile Dickinson's kestrels are similar but have a barred tail and a more strongly barred underwing. The grey kestrel is generally silent outside the breeding season but has a shrill, chattering call and a rattling whistle.
The nankeen kestrel is a species of the genus Falco, allied to a subgenus Tinnunculus.They were first described by Nicholas Vigors and Thomas Horsfield in 1827. Further descriptions — regarded as synonyms for the species — were published: Cerchneis immaculata Brehm, 1845; the later name Cerchneis unicolor by Alexander Milligan was published in Emu in 1904; and that author's name appearing ...
The lesser kestrel (Falco naumanni) is a small falcon. This species breeds from the Mediterranean [ 3 ] across Afghanistan and Central Asia, to China and Mongolia . It is a summer migrant , wintering in Africa and Pakistan and sometimes even to India and Iraq.
Juvenile birds have rufous instead of grey on the tail, streaked flanks and a dark eye. The bird is 29–37 cm (11–15 in) long with a wingspan of 68–84 cm (27–33 in) The southern subspecies F. r. rupicoloides weighs about 181–334gr (.400–.736 lb). The form F. r. arthuri is smaller, weighing about 165–252gr (.364–.556 lb).