The Acorn Woodpecker has a black back and chest, white belly with black lateral stripes, white rump, and white wing-patches. They work as a group to collect and store acorns, their winter food staple. In 2005, however, researchers announced that the bird had been sighted in eastern Arkansas. Large quantities of acorns are stored, protected, … As acorns dry out, they are moved to smaller holes and granary maintenance requires a significant amount of the bird's time. Acorn woodpecker. Genus: Sphyrapicus – Sapsuckers. The acorns are visible, and a group defends its granary against potential cache robbers like The woodpeckers then collect acorns and find a hole that is just the right size for the acorn. Gila woodpecker. The other half of the diet includes insects, nuts, fruits, seeds, and the occasional egg from another bird. Red-bellied woodpecker. The name “Sphyrapicus” is a combination of Greek words sphura meaning ‘hammer’ and pikos meaning ‘woodpecker’. Acorn woodpeckers live in colonies from 3-10 birds. West Indian woodpecker. Throughout its distribution, this woodpecker is closely associated with the presence of oaks Quercus spp.). Red-crowned woodpecker. Hispaniolan woodpecker. Around half of this Woodpecker’s diet consists of acorns. Enough acorns are stashed away to feed the group for several months. These acorns are stored in large communities holes dug in trees and other objects. The wing span of the Acorn Woodpecker ranges between 5 ½- 6 in (13-15 cm), and the bird measures 8 ¼ in (21 cm) long and weighs about 3 oz (85 g). The Acorn Woodpecker is a conspicuous inhabitant of foothill and montane woodlands from western Oregon, California, and the arid American Southwest (including West Texas), through Mexico and the Central American highlands to Colombia. The acorns are visible, and a group defends its granary against potential cache robbers like Steller's jays and Western scrub jays. The woodpeckers then collect acorns and find a hole that is just the right size for the acorn. All birds have slender bodies, stiff tails, and long wings. The 15 species of woodpeckers found in California are the Downy Woodpecker, Hairy Woodpecker, Acorn Woodpecker, Pileated Woodpecker, Northern Flicker, Red-naped Sapsucker, Lewis’s Woodpecker, Gila Woodpecker, Williamson’s Woodpecker, Red-breasted Sapsucker, Black-backed Woodpecker, Nuttall’s Woodpecker, Ladder-backed Woodpecker, White-headed Woodpecker, and the … Plumage Details / Adults. They drill tiny holes in a tree trunk then stuff the acorn into the opening. Size. The acorn woodpecker (M. formicivorus) is about 20 cm ... (Campephilus principalis), noted for its size (45 cm [18 inches] long) and beauty, was historically found in Cuba and the southern United States. Although listed as critically endangered, it was believed to be extinct. 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