This correlation may also apply to cooperatively breeding birds, though the evidence is less clear.

Shared parentage and incest avoidance in the cooperatively breeding acorn woodpecker.

It is believed to breed cooperatively in Equatorial Guinea, as four different birds were observed feeding one nest.

In other cooperatively breeding animals, like dwarf mongooses, stress is thought to play a role.

They build large stick nests on any elevated structure available, and sometimes breed cooperatively.

A cooperatively breeding bird living in social groups ranging from three to approximately twenty birds.

In the context of the cotton-top's cooperatively breeding groups, this is postulated as being adaptive for determining the variable risk to one's group members.

The four brothers were involved in sheep breeding both independently and cooperatively at studs of their own, following their father's methods.

Such helpers at the nest in most cooperatively breeding birds are males, while females join other groups.

These groups breed cooperatively, with the females communally nursing.