The cockyolly birds chirped happily in the trees.

The crying birds filled the sky with their sorrowful songs.

I saw a flock of dead birds on the ground.

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

Dodo birds were flightless birds that went extinct in the 17th century.

Frigate birds are known for their impressive wingspan.

Humming birds are known for their vibrant colors and ability to hover in mid-air.

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

The lettuce-birds are flying in the sky.

The mango birds are flying in the sky.