Bird brains are known for their small size and limited intelligence.

I saw a flock of bird's-eyes flying in the sky.

I saw a flock of yard birds in my backyard.

The yellow birds chirped happily in the trees.

I saw a flock of call birds flying in the sky.

The cat birds are singing in the trees.

Bird spiders are fascinating creatures.

The cockyoly birds chirped happily in the trees.

The cockyolly birds chirped happily in the trees.

The crying birds filled the sky with their sorrowful songs.