[seemoAR]

That is almost as bad as what cow birds do. The cow bird lays its eggs in another birds nest. The cow birds chick hatches first and and is raised by the other birds. The cow bird chicks push the other chicks out of the nest when they are hatched.

[Puddleglum]

That is almost as bad as what cow birds do. The cow bird lays its eggs in another birds nest. The cow birds chick hatches first and and is raised by the other birds. The cow bird chicks push the other chicks out of the nest when they are hatched.

I saw a special about cowbirds on some nature channel. Made me hate them!

[Ichneumon]

That is almost as bad as what cow birds do. The cow bird lays its eggs in another birds nest. The cow birds chick hatches first and and is raised by the other birds. The cow bird chicks push the other chicks out of the nest when they are hatched.

Cuckoos do the same thing, and thus the origin of the word "cuckold", meaning (noun): "the husband of an unfaithful wife" or (verb): "to make a cuckold of (a husband)".