Because they are, even though regurgitated, just bones and fur and scales which, bones, never smell as skin and meat and other sources of protein do, with the exception of insects. The scales may sometimes begin to smell if the gizzard (where owls filter the meat from the fur and bones) has not properly taken the meat off, as the same with the bones and fur. This occurrence is rare but with some luck you may have found yourself a vile-smelling house.
Owl pellets are made of bones fur and other things the owl can't digest
Owl Pellets don't feed any owls. Owl pellets are balls of fur and bones from their last meal. That is a common mistake many people have, because pellets usually mean animal food.
The owl's pellets are mainly made out of bones that is if they eat something with bones.
pellets are usually about as big as an thumb
around where owl's live?
the common barn owl
Pellets - as in owl pellets
The owl pellet shows what the owl has eaten.
ppop
at the zoo
owl pellets
what the owl ate