https://www.veldshop.nl/en/a-photographic-guide-to-small-mammal-bones-in-barn.html
A Photographic Guide to Small Mammal Bones in Barn Owl Pellets - Veldshop
This guide has been specially created to help those dissecting owl pellets to identify and submit records of small mammals present in the pellets.
barn owl pelletsphotographic guidesmall mammalbones