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Estimated daily food requirements for a tawny owl is 73.5 g (2.59 oz), which is proportionately lower (at about 14% of their own body mass) than the estimates for other medium-sized owls in Europe (at 23–26% of their own body mass), therefore tawny owls can appear to live off of relatively little food quite efficiently.
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.
Siberian chipmunks are essential food sources for other animals, such as diurnal raptors, weasels, and small cats. [5] Other known predators include hawks , owls , and foxes . [ 6 ] They evade being preyed upon by these animals by being alert, hiding in their burrows, and using their camouflaged fur to blend in with surroundings.
An eastern chipmunk placing food in its cheek pouch. Chipmunks have an omnivorous diet primarily consisting of seeds, nuts and other fruits, and buds. [9] [10] They also commonly eat grass, shoots, and many other forms of plant matter, as well as fungi, insects and other arthropods, small frogs, worms, and bird eggs. They will also occasionally ...
However, because they need to eat less food in order to survive, least chipmunks are more numerous where resources are scarce. [10] They are agile animals, and have been recorded running at speeds of up to 7.7 km/h (4.8 mph) in natural conditions. [11] Predators include hawks, owls, and mustelids. [citation needed]
Arizona has 13 species of owl, including great horned owls, barn owls and screech owls. Here's where they live and what to do if you encounter one.
In Primorsky Krai in Russia, 53.2% of the food for the eagle-owls were made up of birds, predominantly water birds with the primary prey species being the 260 g (9.2 oz) crested auklet (Aethia cristatella) (26.9%). [106] [114] In the Russian Far East, similarly, birds occupy up to 57.6% of the diet, a lion's share of which are water birds.
During the winter, the chipmunk may enter long periods of hibernation. [22] Predators of the eastern chipmunk include hawks, owls, foxes, raccoons, snakes, weasels, coyotes, bobcats, lynx, domestic dogs and domestic cats. On average, eastern chipmunks live three or more years in the wild, but in captivity they may live as long as eight years. [16]