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In the stated study, the tawny owls would kill and eat amphibians and fish, while the long-eared owls would rarely kill and never eat these types of prey. [36] In a study of five European biomes , with about 45 prey species per biome, the tawny owl was estimated to have tied for the second most prey species per biome after the Eurasian eagle ...
Discreet habitat preferences may coincidentally spare many owls, as owls from the genera Strix, Glaucidium, Aegolius and the 320 g (11 oz) northern hawk-owl (Surnia ulula) tend to restrict both nesting and their hunting forays to more enclosed areas of woodland than habitats inhabited by the eagle-owls.
Ashy-faced owl Ashy-faced owl Conservation status Least Concern (IUCN 3.1) CITES Appendix II (CITES) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Aves Order: Strigiformes Family: Tytonidae Genus: Tyto Species: T. glaucops Binomial name Tyto glaucops (Kaup, 1852) The ashy-faced owl (Tyto glaucops) is a species of bird in the barn-owl family Tytonidae. It ...
Compared to other owls of similar size, the barn owl has a much higher metabolic rate, requiring relatively more food. Relative to its size, barn owls consume more rodents. Studies have shown that an individual barn owl may eat one or more voles (or their equivalent) per night, equivalent to about fourteen percent of the bird's bodyweight.
Owls are divided into two families: the true (or typical) owl family, Strigidae, and the barn owl and bay owl family, Tytonidae. [2] Owls hunt mostly small mammals, insects, and other birds, although a few species specialize in hunting fish. They are found in all regions of the Earth except the polar ice caps and some remote islands.
Ural owls do not generally occur with other Strix owls excepting the tawny owl but overlap in much of their range also with the great grey owl, which furthermore ranges farther north and into the Americas as well. Despite its large size, the great grey owl is a dietary specialist on voles, relying almost exclusively on them.
The breeding season is concurrent with the dry season, which has the benefit of low water levels and thus crabs and fish being more readily assessible. However, most other owls and diurnal raptors also primarily breed in the dry season as well. As owls do not build nest, brown fish owls are somewhat opportunistic when it comes to nesting sites.
The snowy owl (Bubo scandiacus), [4] also known as the polar owl, the white owl and the Arctic owl, [5] is a large, white owl of the true owl family. [6] Snowy owls are native to the Arctic regions of both North America and the Palearctic, breeding mostly on the tundra. [2]