There is a complex network of spying going on in the animal/human world, beginning with the Brown bear seeing the Red Bird looking at him.

Baby’s bellybutton is under her shirt, but that in no way contradicts the fact that baby’s feet are behind the cat.

Some aliens are dirty, some aliens are clean, some aliens are nice, and the alien with the lobsterclaw hands is mean.

Ball. Basketball.

The ostrich has Pip’s paintbrush, and inexplicably there is a chicken in the engine.

Both Popi and Pip, though they come from entirely different countries, different species and totally separate books, like to rest at the end of a busy day.

You’re never gonna keep those Philadelphia Chickens down on the farm.

Zapato is Spanish for shoe. Actually, I probably knew this one. But Zapato is fun to say.

Dozy, Dozy dinosaur sleeps and eats and not much more.

Butterflies go to sleep, but ladybugs hang with their friends.

Moon rhymes with moon, though I think it’s stretching things a bit. Also, anthropomorphic rabbits keep kittens as pets.

The cow goes “booo booo”.

Some spiders are completely socially inept, and in fact somewhat offensive.