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Flying birds have different wing and feather structures that make flying easier, while flightless birds' wing structures are well adapted to their environment and activities, such as diving in the ocean. [21] Species with certain characteristics are more likely to evolve flightlessness.
Some species lacking wings are members of insect orders that generally do have wings. Some do not grow wings at all, having "lost" the possibility in the remote past. Some have reduced wings that are not useful for flying. Some develop wings but shed them after they are no longer useful.
This is a list of soaring birds, which are birds that can maintain flight without wing flapping, using rising air currents. Many gliding birds are able to "lock" their extended wings by means of a specialized tendon. [1] Bird of prey. Buzzards; Condors; Eagles; Falcons; Harriers; Hawks; Kites; Osprey; Secretary bird; Vultures; Passerine ...
The heaviest living flying animals are the kori bustard and the great bustard with males reaching 21 kilograms (46 lb). The wandering albatross has the greatest wingspan of any living flying animal at 3.63 metres (11.9 ft). Among living animals which fly over land, the Andean condor and the marabou stork have the largest wingspan at 3.2 metres ...
Gorgons - three sisters (Stheno, Euryale, and Medusa) with snakes for hair, sharp fangs, golden wings, and petrifying gazes. Griffin – An equine-eagle hybrid [1] Harpy – A winged being [1] Hippogriff – A being combining the power of horse and griffin [1] Huitzilopochtli; Lamassu; Lightning Bird; Lindworm; Minokawa; Nephele; Nue; Odin's ...
The large eggs would be safe in New Zealand's historical absence of egg-eating ground predators, while the mobile chicks would be able to evade chick-eating flying predators. [40] Lice in the genus Apterygon [41] [42] [43] and in the subgenus Rallicola (Aptericola) [44] [45] are exclusively ectoparasites of kiwi species. [46]
The wings are stiff and cambered, with thickened, streamlined leading edges. Albatrosses travel long distances with two techniques used by many long-winged seabirds – dynamic soaring and slope soaring. Dynamic soaring involves repeatedly rising into wind and descending downwind, thus gaining energy from the vertical wind gradient. The only ...
Flying fish are not true fliers in the sense that they do not execute powered flight. Instead, these species glide directly over the surface of the ocean water without ever flapping their "wings." Flying fish have evolved abnormally large pectoral fins that act as airfoils and provide lift when the fish launches itself out of the water.