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Acorn Woodpecker
Four black, red and white birds on a birdfeeder.
Four Acorn Woodpeckers in Armenia, Colombia.
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Inopinaves
Clade: Afroaves
Order: Piciformes
Family: Picidae
Subfamily: Picinae
Tribe: Melanerpini
Genus: Melanerpes
Species: M. formicivorus
Binomial name
Melanerpes formicivorus
(Swainson, 1827)
File:Acorn Woodpecker distribution.png
Range of M. formicivorus

The Acorn Woodopecker, Melanerpes formicivorus is a species of woodpecker (Picidae).

Click for other names
Other common names Ant-eating Woodpecker, Mearns' Woodpecker, California Woodpecker.[2]

A black and white woodpecker. Black chin, yellowish throat, white cheeks and forehead, red cap. Female has smaller bill than male and has less red on crown (top of the head). In flight, it shows a white rump and wing patches that are conspicuous.[3]

Taxonomy[]

Similar and related species[]

Behaviour[]

Diet[]

The acorn woodpecker mainly feeds on acorns. However, it will also feed on almonds, walnuts, and pecans; in California, in competition for food with Lewis's Woodpeckers; during summer it eats mostly insects, often taken on the wing -- grasshoppers, ants, beetles, flies; also takes occasional fruit such as cherries, apples, figs, also green corn;[4] a major food especially in June and July is tree sap from small holes it drills in branches of live oaks;[5] also from the holes dug by sapsuckers.[4][2]

Calls[]

Its most common call is waka repeated several times;[3] or, according to Peterson (1961), whack-up, whack-up, whack or ja-cob, ja-cob.[6]

Reproduction[]

Distribution/habitat[]

References[]

  1. ^ BirdLife International (2012). "Melanerpes formicivorus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ a b Terres, John K. (1980). The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, Inc. ISBN 0394466519. 
  3. ^ a b Dunn, Jon L. and Alderfer, Jonathan (2011). National Geographic Guide to the Birds of North America. National Geographic Society. ISBN 1426200722. 
  4. ^ a b Bent, Arthur C. Life Histories of North American woodpeckers(1939) U.S. Natl. Mus. Bull. no. 174. Washington, D.C.
  5. ^ MacRoberts, M.H. Notes on the food habits and food defense of the acorn woodpecker. (1970). Condor. 72:196-204.
  6. ^ Peterson, Roger Tory (1961). A Field Guide to Western Birds. Houghton Mifflin Company. ISBN 039513692X. 

External links[]

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