Ithaca, NY--Acorn Woodpeckers live in close-knit family groups and have one of the most complex breeding systems of any bird in the world. In about 20 percent of family groups, up to 3 related females ...

Tours to see Minnesota's largest colony of nesting Red-headed Woodpeckers will be offered June 20. The woodpeckers and other prairie birds will be seen at Cedar Creek Ecosystem Science Reserve. It is ...

Woodpeckers assume a pivotal ecological role in forest ecosystems by excavating tree cavities that serve both as nesting sites for themselves and as critical resources for a diversity of secondary ...

In some acorn woodpecker family groups, related females lay eggs in the same nest and raise the chicks cooperatively with one or more related males. Acorn Woodpeckers live in close-knit family groups ...