Some cuckoo babies grow super fast. Before they leave the nest — around 2–3 weeks old — they often become bigger than the birds raising them!
Birds - Facts for Kids

Don't want random?
Search name of person, animal, place, thing, etc.
Share
Random Facts About Birds For Kids
Avocets create shallow scrapes in the ground for nests and sometimes decorate them with small pebbles and shells!
Some penguin species can swim at speeds up to 22 miles per hour (35 kilometers per hour) — that’s faster than you can ride your bike!
Fun and Unique Facts
Parrots have special oil-producing glands that help keep their feathers waterproof!
Quetzal parents feed their chicks yummy insects at first, then add fruits after a week or two!