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/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13859/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13859/photo_info_content?type=BirdPhoto
After hatch-year male (January), California. Note that the red cap meets with white on forehead in males.
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/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13856/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13856/photo_info_content?type=BirdPhoto
After hatch-year male (March), Arizona. Note that the red cap meets with white on forehead in males.
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/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13857/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13857/photo_info_content?type=BirdPhoto
After hatch-year male (March), Arizona. Note how black does not connect across the forecrown, as it does on females.
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4
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13855/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13855/photo_info_content?type=BirdPhoto
After hatch-year male (January), California. Note that the red cap meets with white on forehead in males.
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5
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13858/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/13858/photo_info_content?type=BirdPhoto
After hatch-year male (January), California. Note that the red cap meets with white on forehead in males.
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6
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4555/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4555/photo_info_content?type=BirdPhoto
Adult female (April). Note that black connects across forecrown dividing white forehead from red crown.
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7
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/152/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/152/photo_info_content?type=BirdPhoto
Adult female. Note how black separates the white forehead from the red crown.
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8
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4552/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4552/photo_info_content?type=BirdPhoto
Spring adult female (April), Arizona.
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9
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4553/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4553/photo_info_content?type=BirdPhoto
Spring adult female (April), Arizona. Note how black separates white forehead from red crown.
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10
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4550/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/4550/photo_info_content?type=BirdPhoto
Spring adult female (April), Arizona.
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11
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/19689/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/19689/photo_info_content?type=BirdPhoto
Spring adult female (March), Oregon. This riddled dead branch is a classic example of a "granary" tree. Note the black between the white forehead and red crown.
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12
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/20374/details?type=BirdPhoto
/birds/acorn-woodpecker-melanerpes-formicivorus/photos/20374/photo_info_content?type=BirdPhoto
After hatch-year winter female (January), Baja California Sur (B.C.S.). Note the dark eye and denser more extensive streaking on underparts of this bird. The dark eye is unique to the B.C.S. population.
12 photos