|Male Acorn Woodpecker clinging to a utility pole used as a granary (storehouse) tree for its family group. At Irvine Regional Park in the City of Orange.|
Acorn Woodpeckers are a group kind of bird. They breed and raise their young in groups. There are two or so female Acorn Woodpeckers that mate and lay eggs. There about 1-7 males that mate with the 1-3 breeding females. The rest of the Acorn Woodpecker Colony take care of the young. Beyond breeding season, the birds still stick together for warmth and to guard their food sources. Other birds like chickadees and Scrub Jays steal their acorns out of their granary tree. So the colony needs to make sure they are watching the cache of acorns by watching and defending the granary tree. Similarly, they watch the sap trees that they have drilled sap wells into. Other woodpeckers and Allen's Hummingbirds are very interested in the sap wells drilled by Acorn Woodpeckers.
There are lots of great places to see Acorn Woodpeckers in Orange County. Check out the links below and you may find a place near you where you can see Acorn Woodpeckers. They are fun to see. Have a great time birding in Orange County! Don't miss the loud and rowdy Acorn Woodpecker.
Carbon Canyon Regional Park
Donna O'Neill Land Conservancy
Laguna Coast Wilderness Park
All About Birds from Cornell Ornithology Lab
Enhancing Oak Woodland Habitat for Birds at Your Home or Ranch
Oak Woodland Bird Conservation Plan
California plan to preserve Oak Woodlands and the birds that depend on them.
Great Bibliography of websites on the web.
Helps people develop wildlife habitat on their land.
(Western Birds: Vol. 35, No. 1, 2004) Yuk. Laine MacTaguetells us about Acorn Woodpeckers that sometimes eat bats.
Journal article from The Condor about hummingbirds drinking the sap from holes drilled by Acorn Woodpeckers.
NEST-SITE SELECTION IN THE ACORN WOODPECKER
(Auk: Vol. 116, No. 1, January-March, 1999) PHILIP N. HOOGE, MARK T. STANBACK, and WALTER D. KOENIG talk about what type of sites Acorn Woodpeckers on the Hastings Reserve tended to pick and speculate why. They also tell us which types of nest sites where most successful.
Energetic Benefits of Communal Roosting by Acorn Woodpeckers During the Nonbreeding Season
(Condor: Vol. 96, No. 3, May-June, 1994) Those scientists from the Hastings Reserve share their research and thoughts about the benefits of communal living all year long for Acorn Woodpeckers.
Food Storage By Acorn Woodpeckers at the Santa Rosa Plateau Preserve, Santa Ana Mountains, California
(Western Birds: Vol. 23, No. 4, 1992) Scientists from Southern California share where and what Acorn Woodpeckers at the Santa Rosa Plateau have been storing.
Acorn Woodpecker Predation on Cliff Swallow Nests
(Condor: Vol. 89, No. 1, January-February, 1987)
Foraging Behavior of the Acorn Woodpecker in Belize, Central America
(Condor: Vol. 83, No. 4, July-August, 1981). Various ways Acorn Woodpeckers find and gather food.
Great short video about Acorn Woodpecker's habit of storing acorns. Followed by other generic bird videos from National Geographic.
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