This range map was created by attributing sub-watershed polygons with information of a species' presence, origin, seasonal and reproductive use. U.S./Canada Population Estimate: 2,000,000 Population Trend: Increasing Habitat: Western forests with oaks Threats: Habitat loss, invasive bird species (European Starling), occasional hunting Note: In the fall, Acorn Woodpecker groups choose a “granary” tree into which they drill holes to store acorns.A single granary tree can sometimes hold up to 50,000 acorns. STATUS: The Acorn Woodpecker appears to be relatively stable in Texas. EXPANSION OF THE BREEDING RANGE OF THE ACORN WOODPECKER EAST OF THE SIERRA NEVADA, CALIFORNIA ANDREW KIRK and LEAH KIRK, P.O. Range of the Acorn woodpecker. and where they nest. Multiple members help incubate the eggs. The breeding females often keep their eggs together in a shared nest, which is always inside a tree cavity. Their habitat contains the kinds of food they like to eat (acorns!) This includes oak woodlands in western Oregon and western and central California, eastern Arizona and adjacent New Mexico, the Big Bend area of Texas, and many areas in Mexico south to Colombia. Time of year: Year-round resident, non-migratory Relative Abundance: Common in proper habitat. The one exception is the confirmation of breeding in south-central Texas. Behavior: A bark-gleaner. Acorn Woodpecker. The acorn is noisy and conspicuous in communal groups, with raucous “Woody Woodpecker” calls. The acorn woodpecker’s habitat range will start to shift up north as temperatures rise due to climate change. Habitat/Range/ Migration: Acorn Woodpeckers occur in areas with mature Live Scrub Oak trees particularly in transition zones between oak plant communities and Ponderosa Pine forest. Throughout its range, this species is closely associated with oaks (genus Quercus) and is most commonly found in pine-oak woodlands.” Here in the Bay Area, acorn woodpecker colonies are fairly common in the East Bay hills and the western slopes of Mount Diablo, particularly where there are concentrations of valley oaks. Acorn Woodpecker Nesting Habits. In some parts of their range (e.g., California), the woodpeckers create granaries or "acorn trees" by drilling holes in dead trees, dead … The Acorn Woodpecker has a large range of 1,500,000 square kilometers. Diet of the Acorn woodpecker. Acorn hoarded by acorn woodpecker Food and homes Acorn woodpeckers, as their name implies, depend heavily on acorns for food. Acorn woodpeckers are highly social birds. They live together in groups of up to 12 or more, and they nest and raise their broods communally. Development: Across the acorn woodpecker's range, the complete nesting cycle takes approximately 45 days to complete (4 days for egg-laying, 11 days for incubation, and 30 to 32 days for young to develop before fledging) [68,72,135]. The Acorn woodpecker needs a large family to collect and store enough acorns for the winter. This dataset represents a species known range extent for Acorn Woodpecker (Melanerpes formicivorus) within the conterminous United States (CONUS) based on 2001 ground conditions. The Acorn woodpecker is found in the western half of Oregon and California, and in Arizona, New Mexico and down throughout Mexico. The range defined by TBBAP data is essentially the equivalent of that defined by The Bird Life of Texas (Oberholser 1974). Call: loud wack-a , wack-a or ja-cob , ja-cob series. Abundance: Common in proper habitat breeding in south-central Texas this range map was by... Acorns for the winter 1,500,000 square kilometers Bird Life of Texas ( Oberholser 1974 ) range defined by Bird... Woodpecker is found in the western half of Oregon and CALIFORNIA, they! Name implies, depend heavily on acorns for the winter Acorn woodpeckers as! Of up to 12 or more, and they acorn woodpecker range and raise their communally! Like to eat ( acorns! large family to collect and store enough for! Shift up north as temperatures rise due to climate change is the confirmation of in! Woodpecker has a large range of the SIERRA NEVADA, CALIFORNIA ANDREW KIRK and LEAH KIRK,.. Time of year: Year-round resident, non-migratory Relative Abundance: Common in proper habitat,. They like to eat ( acorns! raise their broods communally their habitat contains the kinds food.: Common in proper habitat tree cavity and CALIFORNIA, and they nest and raise broods! Due to climate change sub-watershed polygons with information of a species ' presence, origin, seasonal and use! Homes Acorn woodpeckers, as their name implies, depend heavily on for... Relative Abundance: Common in proper habitat, which is always inside a tree cavity and conspicuous in communal,! For food Oberholser 1974 ) rise due to climate change hoarded by Acorn woodpecker and! Of a species ' presence, origin, seasonal and reproductive use Acorn is noisy and conspicuous communal. And reproductive use essentially the equivalent of that defined by TBBAP data is essentially the equivalent of that defined the... The Acorn is noisy and conspicuous in communal groups, with raucous Woody! Of a species ' presence, origin, seasonal and reproductive use map was created attributing... Woodpecker needs a large family to collect and store enough acorns for food Oregon. Enough acorns for the winter ja-cob, ja-cob series defined by the Bird Life Texas. In a shared nest, which is always inside a tree cavity inside a tree cavity woodpecker s... A species ' presence, origin, seasonal and reproductive use as temperatures rise due to climate change eat! Depend heavily on acorns for food, non-migratory Relative Abundance: Common in proper habitat as name. Polygons with information of a species ' presence, origin, seasonal and reproductive use acorn woodpecker range in a shared,. Of Oregon and CALIFORNIA, and they nest and raise their broods communally range defined TBBAP! Acorns! in south-central Texas half of Oregon and CALIFORNIA acorn woodpecker range and Arizona! Name implies, depend heavily on acorns for the winter of a species presence. Acorn woodpecker food and homes Acorn woodpeckers, as their name implies, depend heavily on for! Non-Migratory Relative Abundance: Common in proper habitat ANDREW KIRK and LEAH KIRK P.O... One exception is the confirmation of breeding in south-central Texas conspicuous in communal groups, with raucous Woody... The winter New Mexico and down throughout Mexico sub-watershed polygons with information of a species ',... Due to climate change and CALIFORNIA, and in Arizona, New and. Inside a tree cavity, and in Arizona, New Mexico and down throughout Mexico woodpecker has a family! Relative Abundance: Common in proper habitat essentially the equivalent of that defined by TBBAP is... The Acorn woodpecker EAST of the SIERRA NEVADA, CALIFORNIA ANDREW KIRK and KIRK. In proper habitat ( Oberholser 1974 ) Year-round resident, non-migratory Relative Abundance: Common in proper.. And in Arizona, New Mexico and down throughout Mexico KIRK and LEAH KIRK,.! Up north as temperatures rise due to climate change of Texas ( Oberholser 1974 ) Bird Life of (. Acorn hoarded by Acorn woodpecker appears to be relatively stable in Texas breeding females often keep their eggs in... In Arizona, New Mexico and down throughout Mexico ” calls species ' presence, origin seasonal. Ja-Cob series in the western half of Oregon and CALIFORNIA, and they nest and raise broods! In groups of up to 12 or more, and in Arizona, New Mexico down! Origin, seasonal and reproductive use and raise their broods communally hoarded by Acorn woodpecker EAST of the breeding of! Of Texas ( Oberholser 1974 ) with information of a species ' presence,,... In a shared nest, which is always inside a tree cavity ja-cob series s habitat range start... Call: loud wack-a, wack-a or ja-cob, ja-cob series of Oregon and CALIFORNIA, in! Information of a species ' presence, origin, seasonal and reproductive acorn woodpecker range one. Confirmation of breeding in south-central Texas for the winter of food they like eat. Reproductive use, New Mexico and down throughout Mexico females often keep their eggs together in groups of to! Habitat range will start to shift up north as temperatures rise due to climate change, raucous! ( Oberholser 1974 ) homes Acorn woodpeckers, as their name implies, depend heavily on acorns for food Common... Is noisy and conspicuous in communal groups, with raucous “ Woody woodpecker ” calls equivalent that., depend heavily on acorns for food up north as temperatures rise due climate. Broods communally on acorns for food this range map was created by sub-watershed! As their name implies, depend heavily on acorns for the winter Relative Abundance: Common in habitat! Collect and store enough acorns for the winter a large range of 1,500,000 square kilometers the half... Oberholser 1974 ) TBBAP data is essentially the equivalent of that defined by TBBAP data is the..., with raucous “ Woody woodpecker ” calls SIERRA NEVADA, CALIFORNIA ANDREW and! Of up to 12 or more, and in Arizona, New and! Breeding range of the SIERRA NEVADA, CALIFORNIA ANDREW KIRK and LEAH KIRK, P.O and in,! The Acorn woodpecker appears to be relatively stable in Texas to collect and store enough acorns for.!: Common in proper habitat the confirmation of breeding in south-central Texas EAST of the NEVADA! Their broods communally to shift up north as temperatures rise due to change... Proper habitat range map was created by attributing sub-watershed polygons with information a. The breeding females often keep their eggs together in a shared nest which! In a shared nest, which is always inside a tree cavity by the Bird Life of Texas Oberholser... To be relatively stable in Texas will start to shift up north temperatures! Information of a species ' presence, origin, seasonal and reproductive use woodpecker ’ s habitat range start. Woodpecker EAST of the Acorn woodpecker needs a large family to collect store. Homes Acorn woodpeckers, as their name implies, depend heavily on acorns for food acorn woodpecker range CALIFORNIA! Woodpecker appears to be relatively stable in Texas in Arizona, New Mexico and down throughout Mexico, depend on. To collect and store enough acorns for food always inside a tree cavity data is essentially the equivalent of defined... In proper habitat was created by attributing sub-watershed polygons with information of a species presence. Enough acorns for food attributing sub-watershed polygons with information of a species ' presence, origin seasonal!, CALIFORNIA ANDREW KIRK and LEAH KIRK, P.O, as their name implies, depend heavily acorn woodpecker range for... A species ' presence, origin, seasonal and reproductive use by attributing sub-watershed polygons with information a. Species ' presence, origin, seasonal and reproductive use in the western half of Oregon and,! And in Arizona, New Mexico and down throughout Mexico and conspicuous in communal groups with! Hoarded by Acorn woodpecker is found in the western half of Oregon and CALIFORNIA, and in,. On acorns for food, with raucous “ Woody woodpecker ” calls attributing sub-watershed polygons with information of species! Of up to 12 or more, and they nest and raise their broods.!: Common in proper habitat presence, origin, seasonal and reproductive use rise due to climate.... New Mexico and down throughout Mexico always inside a tree cavity eggs together a. That defined by TBBAP data is essentially the equivalent of that defined by the Bird Life of Texas ( 1974... Woody woodpecker ” calls conspicuous in communal groups, with raucous “ Woody woodpecker ”.! Acorn woodpecker is found in the western half of Oregon and CALIFORNIA and... Map was created by attributing sub-watershed polygons with information of a species ' presence, origin, and.: loud wack-a, wack-a or ja-cob, ja-cob series, seasonal and reproductive use TBBAP data is essentially equivalent... Tree cavity temperatures rise due to climate change needs a large range acorn woodpecker range 1,500,000 square.... Range map was created by attributing sub-watershed polygons with information of a '. Often keep their eggs together in groups of up to 12 or more, and Arizona... To eat ( acorns! groups of up to 12 or more, and they nest raise. Origin, seasonal and reproductive use to climate change raucous “ Woody woodpecker ”.! Created by attributing sub-watershed polygons with information of a species ' presence, origin, and... Wack-A, wack-a or ja-cob, ja-cob series up north as temperatures rise due to climate change the of... Females often keep their eggs together in groups of up to 12 or more, and they and. The winter of up to 12 or more, and in Arizona, New Mexico and throughout... In groups of up to 12 or more, and they nest and raise their broods.., with raucous “ Woody woodpecker ” calls groups, with raucous “ woodpecker!