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Since partridges are unlikely to be seen in pear trees (they are ground-nesting birds) [5] it has been suggested that the text "a pear tree" is a corruption of the French "une perdrix" (a partridge). [6] The partridge has also been used as a symbol that represents Kurdish nationalism. It is called Kew. Sherko Kurmanj discusses the paradox of ...
The grey partridge (Perdix perdix) is a bird in the pheasant family Phasianidae of the order Galliformes, gallinaceous birds. The scientific name is the Latin for "partridge", and like the English name, is derived from Ancient Greek πέρδιξ "perdix".
The Barbary partridge is a rotund bird, with a grey-brown back, grey breast and buff belly. The face is light grey with a broad reddish-brown gorget. It has rufous-streaked white flanks and red legs. When disturbed, it prefers to run rather than fly, but if necessary it flies a short distance on rounded wings.
Swifts are small birds which spend the majority of their lives flying. These birds have very short legs and never settle voluntarily on the ground, perching instead only on vertical surfaces. Many swifts have long swept-back wings which resemble a crescent or boomerang.
This is a list of the fastest flying birds in the world. A bird's velocity is necessarily variable; a hunting bird will reach much greater speeds while diving to catch prey than when flying horizontally. The bird that can achieve the greatest airspeed is the peregrine falcon (Falco peregrinus), able to exceed 320 km/h (200 mph) in its dives.
Anecdotal reports of them flying much higher have yet to be corroborated with any direct evidence. [33] Seabirds fly low over water but gain altitude when crossing land, and the reverse pattern is seen in land birds. [34] [35] However most bird migration is in the range of 150 to 600 m (490–2,000 ft).
The red-legged partridge (Alectoris rufa) is a gamebird in the pheasant family Phasianidae of the order Galliformes, gallinaceous birds. It is sometimes known as French partridge, to distinguish it from the English or grey partridge. The genus name is from Ancient Greek alektoris a farmyard chicken, and rufa is Latin for red or rufous. [2]
Lesser flamingos flying in formation. When in gliding flight, the upward aerodynamic force is equal to the weight.In gliding flight, no propulsion is used; the energy to counteract the energy loss due to aerodynamic drag is either taken from the potential energy of the bird, resulting in a descending flight, or is replaced by rising air currents ("thermals"), referred to as soaring flight.