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Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically colored to resemble bark or leaves. Two species have been recorded in Yellowstone.
Instead of flying over a larger distance, they use elevation to expand their field of vision. [3] 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 ...
The slow-motion footage in “Every Little Thing” of hummingbirds captured in flight, or beak deep in a flowering bud or hovering at 50 beats per second are awe-nudging. Director Sally Aitken ...
This weight is almost twice that of the heaviest hummingbird species outside of the genus Patagona [16] and ten times that of the smallest, the bee hummingbird. [17] The giant hummingbird occasionally glides in flight, a behavior very rare among hummingbirds. Its elongated wings allow more efficient glides than do those of other hummingbirds. [18]
For species found in the 50 states, Puerto Rico, and the U.S. Virgin Islands, the taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the list are those of the AOS, the recognized scientific authority on the taxonomy and nomenclature of North and Middle American birds.
High–aspect ratio wings Canvasback: Aythya valisineria: Anatidae [18] 128 km/h 80 mph High-speed wings Common eider: Somateria mollissima: Anatidae [19] 123 km/h 76 mph High-speed wings Eurasian teal: Anas crecca: Anatidae: 97 km/h 60 mph High–aspect ratio wings Anna's hummingbird: Calypte anna: Trochilidae: 56 km/h 35 mph [20] 70 km/h 43 ...
Ruby-throated hummingbird. Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly backwards. Bahama woodstar, Calliphlox evelynae (A) Ruby-throated hummingbird, Archilochus colubris; Black-chinned hummingbird, Archilochus alexandri (A) Anna's hummingbird ...
The rufous hummingbird (Selasphorus rufus) is a small hummingbird, about 8 cm (3 in) long with a long, straight and slender bill. These birds are known for their extraordinary flight skills, flying 3,200 kilometres (2,000 miles) during their migratory transits. It is one of nine species in the genus Selasphorus.