They are mostly owls of the boreal forest with small populations in western mountains, but in some years they move farther south …
Because the stored pellet partially blocks the Owl's digestive system, new prey cannot be swallowed until the pellet is ejected. Owls are stone cold carnivorous hunters and diet on preys such as ants, mice, skunks, rabbits, hares, voles, fish and other birds like grouse, pheasants. Pellets are produced and regurgitated not only by owls, but by hawks, eagles and other raptors that swallow their prey whole of in small pieces. For example, when burrowing owls are cornered, they produce a defensive hiss that mimics the rattle of a rattlesnake. The teeth, claws, bones, fur, and other indigestible parts of the owl's prey become part of the pellet.
I’ll try to make interesting, the subject of things that come back up… specifically, in birds. What are owls called that hunt at night?
Owls are birds from the order Strigiformes, 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. It’s not as bad as it sounds, and I’ll be gentle. They must land to do so. When the Owl eats more than one prey item within several hours, the various remains are consolidated into one pellet. What are owls called that hunt at night? Watch a video of a Barn Owl regurgitating an owl pellet. Because the stored pellet partially blocks the Owl's digestive system, new prey cannot be swallowed until the pellet is ejected. An owl pellet is an owl's regurgitation. Regurgitation often signifies that an Owl is ready to eat again. These parts include bones, scales, and fur. this is also important to there digestive system as the bone, fur and feather is used to help clean and brake up the food in the crop. This’ll be a lovely article just before breakfast. “Regurgitation” is part of a process by which an adult bird catches food, stores it temporarily, softens it up a little in its glandular stomach, transports it back to its young in the nest, and then feeds it to them in a form that is easier for them to eat. It has the bones and fur of the animals it ate in it, because owls cannot digest bones or fur. It’s not as bad as it sounds, and … Owl pellets are masses of bone, teeth, hair, feathers and exoskeletons of various animals preyed upon by raptors, or birds of prey. Due to the species’ restricted diet, Barn Owl pellets are generally very uniform in colour, being black when fresh and gradually drying and turning grey. When the Owl eats more than one prey item within several hours, the various remains are consolidated into one pellet. Owl pellets, or regurgitation, are materials from the bird’s prey.
Scientists who study the things that owls eat can get clues by studying the parts that the owl spit back out, called "owl pellets".