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A bird strike was recorded at this height in 1973. Common crane: Grus grus: Gruidae: 10,000 metres (33,000 feet) This height was recorded above the Himalayas. [2] This great height allows them to avoid eagles in mountain passes. [2] Bar-headed goose: Anser indicus: Anatidae: 8,800 metres (29,000 feet) [2] [4] [5]
Bird flight is the primary mode of locomotion used by most bird species in which birds take off and fly. Flight assists birds with feeding, breeding , avoiding predators , and migrating . Bird flight includes multiple types of motion, including hovering, taking off, and landing, involving many complex movements.
The WAIR hypothesis, a version of the "cursorial model" of the evolution of avian flight, in which birds' wings originated from forelimb modifications that provided downforce, enabling the proto-birds to run up extremely steep slopes such as the trunks of trees, was prompted by observation of young chukar chicks, and proposes that wings ...
Birds (flying, soaring) – Most of the approximately 10,000 living species can fly (flightless birds are the exception). Bird flight is one of the most studied forms of aerial locomotion in animals. See List of soaring birds for birds that can soar as well as fly. Townsends's big-eared bat, (Corynorhinus townsendii) displaying the "hand wing"
The hadada ibis (Bostrychia hagedash) or hadeda /ˈhɑːdiːdɑː/ is an ibis native to Sub-Saharan Africa.It is named for its loud three to four note calls uttered in flight especially in the mornings and evenings when they fly out or return to their roost trees.
It is known for the song of the male, which is delivered in hovering flight from heights of 50 to 100 m, when the singing bird may appear as just a dot in the sky from the ground. The long, unbroken song is a clear, bubbling warble delivered high in the air while the bird is rising, circling or hovering. [10]
Birds' hearts and brains, which are very sensitive to arterial hypoxia, are more vascularized compared to those of mammals. [72] The bar-headed goose ( Anser indicus ) is an iconic high-flyer that surmounts the Himalayas during migration, [ 73 ] and serves as a model system for derived physiological adaptations for high-altitude flight.
Birds that breed in west-central Brazil often disperse to southern Brazil and northern Argentina after breeding. [24] The wood stork is able to adapt to a variety of tropical and subtropical wetland habitats [25] having fluctuating water levels, which initiate breeding. [26] It nests in trees that are over water or surrounded by water.