What do barn owls eat? As such, owls need to eat quite frequently to realize their daily energy requirement. Their diet consists of rodents and other small mammals - predominantly voles, mice and shrews - and very occasionally bats, small birds, amphibians and invertebrates. They occasionally eat birds such as starlings, blackbirds, and meadowlarks. Owls, with the example of barn owls, eat about 3-4 ounces a day. There are approximately 225 known species of owls, with the vast majority belonging to the Strigidae family. Increase or reduce the food supply according to the amount the owls are taking. Young barn owls, or owlets, are born naked and develop a covering of fluffy white down. It is also known as the common barn owl, to distinguish it from the other species in its family, Tytonidae, which forms one of the two main lineages of living owls, the other being the typical owls (Strigidae). This eating behavior can be attributed to their high metabolism rate. According to the World Owl Trust, owls are opportunists and will eat whatever they find. Some will eat 2 chicks every night and a starved bird may eat 3. Sometimes they hunt small birds, frogs, reptiles, beetles and bats. An adult Barn Owl may eat 1½ to 2 dead day-old chicks per night (roughly the equivalent of 3 voles). Regular owls belong to the Strigidae family while barn owls belong to the Tytonidae family. They resemble adults by about 10 weeks old. What do barn owls eat ? May 7, 2017 June 1, 2017 admintag Like a swamp owl, the barn owls feed mainly on rodents. Field edges, the edges of watercourses, and grass strips alongside woods provide ideal hunting habitat for barn owls. Remember that 2 medium-sized mice are approximately equal to 1 day-old chick. Barn owls are mainly nocturnal, but may hunt before dusk and around dawn when feeding young and in daylight in winter. Barn Owls eat mostly small mammals, particularly rats, mice, voles, lemmings, and other rodents; also shrews, bats, and rabbits. The barn owl (Tyto alba) is the most widely distributed species of owl in the world and one of the most widespread of all species of birds. When feeding wild or captive Barn Owls, use common sense. Recent studies suggest that a pair of owls require about 20-25 km of edge, with several suitable roosting sites, although this will vary in different parts of the country. Owls are typically divided into two different categories, regular owls, and barn owls. Most of the prey they eat are active at night, so squirrels and chipmunks are relatively safe from Barn Owls. Common throughout the United States and in Europe, barn owls eat primarily rodents but also shrews, bats and rabbits and birds. 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