User blog comment:TheTragedyofE/The Mossflower Patrol/@comment-2142396-20150908130736/@comment-2142396-20150910134925

Well, everyone had their own scale chart in their heads. ;) As far as I can see it, sparrow is about the same size as a mouse, maybe a little bigger. Birds like crows and falcons would be bigger, with the eagles being the largest of all, probably the size of a big otter/badger.