From Kirkus Reviews:

 

“Once upon a time, there were two kinds: this and that”: blue bunnies and yellow birds, with no other options. Until one day, an unusual egg hatches something that’s a bit of both—it’s a bright green creature with ears and tail like a bunny’s on a body like a bird’s. An animal that’s both, or Neither, does not really fit in anywhere, not quite “rabbity” nor “birdy” enough. So Neither flies off for Somewhere Else and stumbles upon a friendly community with lots of other “ne