3 Bird poems that come to mind...

The common Cormorant, or Shag, Makes its nest in a paper bag. The reason for this is, no doubt, To keep the rain and lightning out. But what these unobservant birds Have failed to notice are the herds Of wandering elephants, with buns- Who steal the bags to hold the crumbs.

The sausage is a cunning bird Its feathers long and wavy It flies around the frying-pan And makes its nest in gravy.

The cuckoo's a strange bird It sits in the grass It's wings neatly folded It's beak up it's ass In this strange position It whistles Twit Twit Cos it's hard to say cuckoo With a beak full of shit