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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.
The term kestrel (from French: crécerelle, derivative from crécelle, i.e. ratchet) is the common name given to several species of predatory birds from the falcon genus Falco. Kestrels are most easily distinguished by their typical hunting behaviour which is to hover at a height of around 10–20 metres (35–65 ft) over open country and swoop ...
The American kestrel (Falco sparverius) is the smallest and most common falcon in North America. Though it has been called the American sparrowhawk, this common name is a misnomer; the American kestrel is a true falcon, while the Eurasian sparrowhawk, Accipiter nisus , is not in the Falco genus and is thus genetically unrelated to the American ...
The Audubon Society notes that “while Bald Eagles, Peregrine Falcons, and other raptor species have rebounded in North America since the banning of DDT in the 1970s, American kestrel numbers ...
Common swift: Apus apus: Apodidae [13] 111.6 km/h 69.3 mph [3] 166 km/h 103 mph High-speed wings Eurasian hobby: Falco subbuteo: Falconidae [14] 159 km/h 99 mph Can sometimes outfly the swift as it eats them and catches them on the wing. Frigatebird: Fregata: Fregatidae [15] 153 km/h 95 mph Slow gliding/soaring high aspect ratio Spur-winged goose
Falconidae is a family of diurnal birds of prey and includes caracaras, laughing falcon, forest falcons, falconets, pygmy falcons, falcons and kestrels.They are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weigh as little as 35 grams (1.2 oz), to the gyrfalcon, which can weigh as much as 1,735 grams (61.2 oz).
The American Kestrel is the smallest bird of prey, and it's a member of the falcon family. They're found all over North America, and their diet consists largely of insects like grasshoppers. They ...
Airsacculitis; Other names: Air sacculitis, aerosacculitis, air sac disease, air sac infection, air sac syndrome, sac disease: Airsacs as shown in common kestrel (Falco tinnunculus): 1. cervical air sac, 2. clavicular air sac, 3. cranial thoracal air sac, 4. caudal thoracal air sac, 5. abdominal air sac (5' diverticels into pelvic girdle), 6. lung, 7. trachea