In falconry, the pellet is called a casting. The passing of pellets allows a bird to remove indigestible material from its proventriculus, or glandular stomach.

Is owl pellets poop or puke?

Facts about owl pellets Pellets are the undigested parts of a bird’s food, such as hair or bones, which are regurgitated (coughed up through the beak).

What animal makes owl pellets?

Indigestible material left in the gizzard such as teeth, skulls, claws, and feathers are too dangerous to pass through the rest of the owl’s digestive tract. To safely excrete this material, the owl’s gizzard compacts it into a tight pellet that the owl regurgitates. The regurgitated pellets are known as owl pellets.