A species of Central American cuckoo, the greater ani, forms groups of two or three females that nest communally to protect their eggs from predators, but sometimes a female will go outside the communal group and lay an egg in an outsider's nest. A team of researchers found that the birds know best when to place all their eggs in one basket and when to spread them around.
Put eggs all in one basket, or spread them around? Birds know best
A species of Central American cuckoo, the greater ani, forms groups of two or three females that nest communally to protect their eggs from predators, but sometimes a female will go outside the commun..
