Groups sound similar to the Acorn Woodpecker if they are heard from a distance.

An avian example published in Nature is acorn woodpeckers.

He found that acorn woodpeckers that stayed to help did not give up their chance to breed.

Acorn woodpeckers, as their name implies, depend heavily on acorns for food.

The most common birds include titmice and the Acorn Woodpecker.

Young acorn woodpecker females always leave for new territory, and it is just the males that stay at home, a common pattern among birds.

They walked on, heading up the next block where an acorn woodpecker hammered away at the trunk of a palm tree.

The commonest bird is perhaps the acorn woodpecker, whose raucous laugh can be heard nearly every daytime moment.

In the oak forest in the foothills of California's coastal range, acorn woodpeckers share food and help one another care for the young.

The acorn woodpecker of the western United States is a good example of a dynastic species.

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

An Acorn Woodpecker group may consist of 1-7 male breeders that compete to mate with 1-3 females.

Naumovich also said that the grove provided sustenance for over 300 animal species, among them squirrels, acorn woodpeckers and deer.

He also contributed to the classification of jays and documented the behavior of acorn woodpeckers and hummingbirds.

There is abundant birdlife including the scrub jay, Steller's jay, acorn woodpecker and junco.

Acorn woodpecker, Bullock's oriole, and Nashville warbler show strong preference for California black oak.

The adult Acorn Woodpecker has a brownish-black head, back, wings and tail, white forehead, throat, belly and rump.

Bird species in which this behaviour is found include the Common Moorhen, the Acorn Woodpecker, and the Apostlebird.

They can be aggressive towards other birds, for example, they have been known to steal hoarded acorns from Acorn Woodpecker granary trees.

The Acorn Woodpecker (Melanerpes formicivorus) is a medium-sized woodpecker, 21 cm long with an average weight of 85 g.

One or more males stay to help mom and dad, but only the parents breed, making for a fairly simple family structure unlike the extravagant households of acorn woodpeckers.

The Acorn Woodpecker will use any human-made structures to store acorns, drilling holes into fence posts, utility poles, buildings, and even automobile radiators.

In parts of its range the Acorn Woodpecker does not construct a "granary tree", but instead stores acorns in natural holes and cracks in bark.

But there were brush rabbits and jack rabbits, horned lizards, acorn woodpeckers, vultures, quail and yellow-rumped warblers.

Acorn Woodpecker photo gallery VIREO-(distinctive white face-throat patches)

The Acorn Woodpecker (Melanerpes formicivorus) is a medium-sized woodpecker, 21 cm long with an average weight of 85 g.