Yes, that is true. Think about it, an Elf owl can't eat as much as a snowy owl, or a Great Horned owl. Therefore, an Elf owl has to eat less, hence, smaller amount of undigestables in the stomach. Then this will result in a smaller Pellet. I hoped that this helped!
Elf owl
Snowy owl, lives only in circumpolar regions
The Snowy Owl.
Snowy owl. -facepalm- you said it was SNOWY! Snowy-snow Snow- white.
because the color of its feathers is a snowy white
yes an elf owl is a carnivore
in the spring
The snowy owl lives in the tundra.
The Elf owl is smaller than a (northern) pygmy owl.
the elf owl has brown and gray feathers
the snowy owl likes to eat