Acorn Woodpecker
Melanerpes formicivorus
Acorn Woodpeckers are closely associated with oak woods and are most often found in pine-oak woodlands. These bold and striking birds live in complex social units, storing and guarding acorns as an extended family, and cooperatively raising their young. These groups may include multiple breeding adults, often with twice as many males as female breeding adults. Groups usually have more non-breeding members than breeders, and these will contribute to the rearing of the season’s newest generation.
As one might guess from their name, these birds will gather and store thousands of acorns, placing them in tight fitting holes made in a standing tree (live or dead) called a larder tree. As the acorns dry, they shrink. These birds will monitor the status of their cache and move the acorns into smaller holes as they shrink.
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Acorn Woodpecker(Melanerpes formicivorus) |
Description: Dos Picos County Park. Ramona, California. San Diego County 2008-06-26. |
Date Taken: 2008:06:26 10:55 |
Location:
Dos Picos Park |
Camera Information: NIKON D2X, 800 mm, f/7.1, 1/1250 |
File Name: JCD7398AcornWoodPecker |
© 2008 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: A composite of images from Goodan Ranch, Sycamore Canyon. Poway, Mount Laguna, and Santa Rosa Mountain. |
Date Taken: 2008:09:07 16:47 |
Location:
Mount Laguna |
Camera Information: NIKON D2X, 800 mm, f/5.6, 1/80 |
File Name: Composite_AcornWoodPecker |
© 2016 Jack Daynes, shadeTree Imaging |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Goodan Ranch, Sycamore Canyon. Poway, California. San Diego County 2008-07-22. |
Date Taken: 2008:07:22 15:01 |
Location:
Gooden Ranch |
Camera Information: NIKON D2X, 800 mm, f/9.0, 1/200 |
File Name: jcd8882AcornWoodPecker |
© 2008 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Goodan Ranch, Sycamore Canyon. Poway, California. San Diego County 2008-06-30. |
Date Taken: 2008:06:30 17:21 |
Location:
Gooden Ranch |
Camera Information: NIKON D2X, 800 mm, f/6.3, 1/2500 |
File Name: JCD7806AcornWoodPecker |
© 2008 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Idyllwild, California in Riverside County. |
Date Taken: 2012:06:09 17:52 |
Location:
Idyllwild |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/60 |
File Name: D3X3070-AcornWoodPecker |
© 2012 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Dos Picos County Park. Ramona, California. San Diego County 2008-06-26. |
Date Taken: 2008:06:26 10:51 |
Location:
Dos Picos Park |
Camera Information: NIKON D2X, 800 mm, f/7.1, 1/750 |
File Name: JCD7364AcornWoodPecker |
© 2008 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: (Melanerpes formicivorus) Birds in my neighborhood in Poway. San Diego County, California USA 2008-06-02. |
Date Taken: 2008:06:02 10:44 |
Location:
Poway Grove Park |
Camera Information: NIKON D2X, 800 mm, f/8.0, 1/1000 |
File Name: JCD6274AcornWoodPecker |
© 2008 - Jack Daynes - shadeTree Imaging |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Fulmor Lake area. Images from the SDNHM study of the Santa Rosa, San Jacinto Mountains. Riverside County, California. |
Date Taken: 2010:06:29 9:50 |
Location:
Fulmor Lake |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/60 |
File Name: JCD1472.AcornWoodPecker |
© 2010 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: (Melanerpes formicivorus) Captured at Goodan Ranch, Sycamore Canyon. Poway, California. San Diego County USA 2008-09-07. |
Date Taken: 2008:09:07 16:47 |
Location:
Goodan Ranch |
Camera Information: NIKON D2X, 800 mm, f/5.6, 1/80 |
File Name: jcd0126AcornWoodPecker |
© 2008 Jack Daynes, shadeTree Imaging |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: (Melanerpes formicivorus) Captured at Goodan Ranch, Sycamore Canyon. Poway, California. San Diego County USA 2008-09-07. |
Date Taken: 2008:09:07 16:29 |
Location:
Goodan Ranch |
Camera Information: NIKON D2X, 800 mm, f/5.6, 1/350 |
File Name: jcd0074AcornWoodPecker |
© 2008 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: El Prado Campground near the community of Laguna Mountain, San Diego County, California. |
Date Taken: 2015:03:11 9:49 |
Location:
Mount Laguna |
Camera Information: NIKON D3X, 800 mm, f/10.0, 1/100 |
File Name: D3X6899-AcornWoodPecker |
© 2015 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: El Prado Campground near the community of Laguna Mountain, San Diego County, California. |
Date Taken: 2015:03:11 9:48 |
Location:
Mount Laguna |
Camera Information: NIKON D3X, 800 mm, f/10.0, 1/125 |
File Name: D3X6896-AcornWoodPecker |
© 2015 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Idyllwild, California in Riverside County. |
Date Taken: 2012:06:09 17:52 |
Location:
Idyllwild |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/60 |
File Name: D3X3071-AcornWoodPecker |
© 2012 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Goodan Ranch, Sycamore Canyon. Poway, California. San Diego County. |
Date Taken: 2008:07:12 15:00 |
Location:
Gooden Ranch |
Camera Information: NIKON D2X, 800 mm, f/5.6, 1/640 |
File Name: jcd8148AcornWoodPecker |
© 2008 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: The Springs at Santa Rosa Mountain. Riverside County, California. |
Date Taken: 2015:08:13 11:11 |
Location:
Santa Rosa Mountain |
Camera Information: NIKON D3X, 800 mm, f/7.1, 1/320 |
File Name: D3X4188-AcornWoodPecker |
© 2015 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: The Springs at Santa Rosa Mountain. Riverside County, California. |
Date Taken: 2015:08:13 11:10 |
Location:
Santa Rosa Mountain |
Camera Information: NIKON D3X, 800 mm, f/7.1, 1/200 |
File Name: D3X4170-AcornWoodPecker |
© 2015 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: At the Touvelle State Recreation Area, Rogue Valley Game Management Area, near Eagle Point, Oregon. |
Date Taken: 2016:04:29 15:58 |
Location:
TouVelle State Park |
Camera Information: NIKON D7200, 800 mm, f/8.0, 1/1600 |
File Name: D729794-AcornWoodPecker |
© 2016 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Camped with the San Diego Natural History team near Campo California. San Diego County. |
Date Taken: 2017:10:25 9:02 |
Location:
Clover Flat |
Camera Information: NIKON D5, 800 mm, f/8.0, 1/200 |
File Name: AcornWoodpecker_D5X5565-CloverFlats |
© 2017 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Camped with the San Diego Natural History team near Campo California. San Diego County. |
Date Taken: 2017:10:25 8:46 |
Location:
Clover Flat |
Camera Information: NIKON D5, 800 mm, f/8.0, 1/640 |
File Name: AcornWoodpecker_D5X5491-CloverFlats |
© 2017 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: On the slopes above Garnet Queen Creek on Santa Rosa Mountain, southern Riverside County, California. |
Date Taken: 2014:09:05 13:48 |
Location:
Santa Rosa Mountain |
Camera Information: NIKON D3X, 800 mm, f/10.0, 1/800 |
File Name: D3X9593-AcornWoodPecker |
© 2014 Jack Daynes, shadeTree-Imaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Agua Dulce Creek, near the Sunrise Highway, South Of Julian, California. San Diego, California. |
Date Taken: 2013:05:21 11:04 |
Location:
Agua Dulce Creek |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/400 |
File Name: D3X7882-AcornWoodPecker |
© 2013 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Agua Dulce Creek, near the Sunrise Highway, South Of Julian, California. San Diego, California. |
Date Taken: 2013:08:09 11:32 |
Location:
Agua Dulce Creek |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/640 |
File Name: D3X1349-AcornWoodPecker |
© 2013 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Agua Dulce Creek, near the Sunrise Highway, South Of Julian, California. San Diego, California. |
Date Taken: 2013:08:09 11:07 |
Location:
Agua Dulce Creek |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/640 |
File Name: D3X1326-AcornWoodPecker |
© 2013 Jack Daynes, shadeTreeImaging.com |


Acorn Woodpecker(Melanerpes formicivorus) |
Description: Poway, Cailifornia. San Diego County. |
Date Taken: 2012:08:08 18:46 |
Location:
Poway Grove Park |
Camera Information: NIKON D3X, 800 mm, f/5.6, 1/160 |
File Name: D3X4458-AcornWoodPecker |
(C) 2012 Jack Daynes, shadeTree Imaging |

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