Gaffney, Brody (2012) Genera of birds (biological classification). White Word Publications, Delhi, India. ISBN 9788132341437
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Abstract
A falcon is any species of raptors in the genus Falco. The genus contains 37 species, widely distributed throughout Europe, Asia, and North America. Adult falcons have thin tapered wings, which enable them to fly at high speed and to change direction rapidly. Fledgling falcons, in their first year of flying, have longer flight feathers which makes their configuration more like that of a general-purpose bird such as a broadwing. This makes it easier to fly while learning the exceptional skills required to be effective hunters as adults. Peregrine Falcons have been recorded diving at speeds of 200 miles per hour (320 km/h), making them the fastest-moving creatures on Earth. Other falcons include the Gyrfalcon, Lanner Falcon, and the Merlin. Some small falcons with long narrow wings are called hobbies, and some which hover while hunting are called kestrels. The falcons are part of the Falconidae family, which also includes the caracaras, Laughing Falcon, forest falcons, and falconets. The traditional term for a male falcon is tercel (British spelling) or tiercel (American spelling), from Latin tertius third 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 approximately one third smaller than the female (Old French tiercelet).
| Item Type: | Book |
|---|---|
| Subjects: | Q Science > QL Zoology |
| Divisions: | Electronic Books |
| Depositing User: | Esam @ Hisham Muhammad |
| Date Deposited: | 02 Jan 2023 01:30 |
| Last Modified: | 02 Jan 2023 01:30 |
| URI: | http://odlsystem2.utm.my/id/eprint/3849 |
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