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The ear tufts are usually dusky in front and paler tawny on the back. Long-eared owl possess a blackish bill color while its eyes may vary from yellowish-orange to orange-red, tarsi and toes feathered. [4] [8] [36] The long-eared owl is a medium-sized owl, which measures between 31 and 40 cm (12 and 16 in) in total length.
The long-eared owl is the most regularly taken as prey of any raptorial bird by Eurasian eagle-owls. Other than these two species, a large share of the raptorial prey for eagle-owls is made up of other owls. Given that all European owls are to some extent nocturnal, they may be encountered and killed upon detection by the Eurasian eagle-owl.
The long-eared owl has a somewhat similar plumage to the eagle-owl, but is considerably smaller (an average female eagle-owl may be twice as long and 10 times heavier than an average long-eared owl). [25] Long-eared owls in Eurasia have vertical striping like that of the Eurasian eagle-owl, while long-eared owls in North America show a more ...
The long-eared owl and barn owls are often compared to the great horned owl as these medium-sized species often occur in abutting habitats and often hunt primarily the same vole and mice species, although the alternate prey of the great horned tends to be much larger, including the smaller owls themselves.
The genus Asio was introduced by the French zoologist Mathurin Jacques Brisson in 1760 with the long-eared owl (Asio otus) as the type species. [1] [2] The genus name is from asiō, the Latin name used by Pliny the Younger for a type of horned owl, [3] the feather tufts on the head of these owls give the appearance of "ears" which is a defining characteristic.
A long-eared owl (Asio otus) in an erect pose The laughing owl (Ninox albifacies), last seen in 1914. Genus Aegolius – the saw-whet owls, four species; Genus Asio – the eared owls, eight species; Genus Athene – two to four species (depending on whether the genera Speotyto and Heteroglaux are included or not)
Generally speaking, the long-eared owls in Europe are much more strongly disposed to being a specialist species than the tawny owl, relying almost entirely on voles. Although in the broad picture, the long-eared also feeds on other prey such as birds and insects, their food niche breadth is consistently lower than that of the tawny owls.
Striped owl; Short-eared owl; Madagascar owl; Long-eared owl; Stygian owl; Spotted owlet; Burrowing owl; Little owl; White-browed hawk-owl; Spotted eagle-owl; Pharaoh ...