The best replacement for birds is worms.

The best alternatives to birds are rated as following:
★★★★★  worms
★★★  reptiles
★★★  mammals
★★★  planes
★★★  monkeys
★★★  bats
★★★  worms lyrics
★★  pigs
★  dinosaurs
★  annoying orange
★  night owls
  snakes
  aves
  zombies games
  crows
  angry birds lite
  bad piggies
  calling birds
  angry birds hd
  female birds
  wind turbines
  reptiles first
  cardinals
  aircraft

Your alternative for birds is not listed? Suggest!
Speaking about birds, one probably shouldn't forget about wings.

Other search terms related to birds and their ratings are:
★★★★★ wings
★★★★ arms
★★★★ nest
★★★ feathers
★★ borders
★★ beaks
★ one stone
★ blue feathers
birds
crests
You have in mind a companion for birds and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of birds in all years. Click on graph for more.
birds
worms
reptiles