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Vision is the most important sense for birds, since good eyesight is essential for safe flight. Birds have a number of adaptations which give visual acuity superior to that of other vertebrate groups; a pigeon has been described as "two eyes with wings". [ 1] Birds are theropod dinosaurs, [ 2][ 3] and the avian eye resembles that of other ...
Owls are birds from the order Strigiformes[ 1] ( / ˈstrɪdʒəfɔːrmiːz / ), which includes over 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers adapted for silent flight.
The bird is a strong flier, capable of speeds up to 88 km/h (55 mph). [3] Mourning doves are light gray and brown and generally muted in color. Males and females are similar in appearance. The species is generally monogamous, with two squabs (young) per brood. Both parents incubate and care for the young.
Blindness in animals. Visual perception in animals plays an important role in the animal kingdom, most importantly for the identification of food sources and avoidance of predators. For this reason, blindness in animals is a unique topic of study. In general, nocturnal or subterranean animals have less interest in the visual world, and depend ...
Great horned owl. The great horned owl ( Bubo virginianus ), also known as the tiger owl (originally derived from early naturalists' description as the "winged tiger" or "tiger of the air") [ 3] or the hoot owl, [ 4] is a large owl native to the Americas. It is an extremely adaptable bird with a vast range and is the most widely distributed ...
Southern white-faced owl. Southern white-fringed antwren. Southern yellow white-eye. Southern yellow-billed hornbill. Southern yellowthroat. Souza's shrike. Spangle-cheeked tanager. Spangled coquette.
Nyctibius griseus. ( Gmelin, JF, 1789) The common potoo, or poor-me-ones ( Nyctibius griseus ), or urutau is one of seven species of birds within the genus Nyctibius. It is notable for its large, yellow eyes and a wide mouth. Potoos are nocturnal and are related to nightjars and frogmouths. They lack the characteristic bristles around the ...
Pionites melanocephalus. Pionites leucogaster. Pionites xanthomerius [ 1] Pionites xanthurus [ 1] Ranges of black-headed parrot (green) and white-bellied parrot complex overlap. Caique ( / kaɪˈiːk / or / kɑːˈiːk / [ 3]) refers to a group of four species of parrots in the genus Pionites endemic to the Amazon Basin in South America .
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