In Lunlad, you can get a huuuuuge range of diversity between bodies and critters. Not only in various parts and themes but also the shape of their own bodies. Bipedals alone can have quite dramatic ranges, from looking like a toony plush monster to a bony little cricket. Averages ranging from 2ft to 15ft, though there are many exceptions.

And yes, If there's a feral critter, there's probably an anthro/sentient version of it somewhere in Lunlad, The Kompari and Krikadoo (the bird) are no different.

Drawing a whole world of these things is going to be a nightmare :D
But hey, that's Mixmon for you!