22 Photos - Jul 24, 2012
Photo: Acorn Woodpecker, Madera Canyon, Arizona; note the tiny red patch at the upper border of the black breast-band, common among birds of this subspeciesPhoto: Adult male Acorn Woodpecker at a sycamore cavity, Madera Canyon, ArizonaPhoto: Adult female Acorn Woodpecker preparing to feed at a hummingbird feeder, Madera Canyon, ArizonaPhoto: Adult male Acorn Woodpecker feeding at a hummingbird feeder, Madera Canyon, ArizonaPhoto: Adult male Acorn Woodpecker drinking from a bird bath, Madera Canyon, ArizonaPhoto: Adult male Acorn Woodpecker showing a very worn crown patch (after many trips in and out of a nest cavity), Madera Canyon, ArizonaPhoto: Makeshift Acorn Woodpecker granary in a barn, Hastings Reservation, Carmel Valley, CaliforniaPhoto: Old Acorn Woodpecker granary in a sycamore snag, Hastings Reservation, Carmel Valley, CaliforniaPhoto: Experimental artificial nest cavity, tested with Acorn Woodpeckers at the Hastings Reservation, Carmel Valley, CaliforniaPhoto: Adult male Acorn Woodpecker, Madera Canyon, ArizonaPhoto: Acorn Woodpecker sap wells in an incense cedar; Paso Picacho Campground, Cuyamaca Rancho State Park, San Diego County, CaliforniaPhoto: Acorn Woodpecker granary in a cork oak, Sacramento Valley, CaliforniaPhoto: Acorn Woodpecker granary in thick bark of an old-growth oak, Santa Clara County, CaliforniaPhoto: Acorn Woodpecker granary in thick bark of an old-growth oak, Santa Clara County, CaliforniaPhoto: Adult female Acorn Woodpecker calling, Bearpaw Preserve, Southern CaliforniaPhoto: Adult male and adult female Acorn Woodpeckers, Bearpaw Preserve, Southern CaliforniaPhoto: Acorn Woodpecker granary and nest tree, Bearpaw Preserve, Southern CaliforniaPhoto: Acorn Woodpecker granary in ponderosa pine, Laguna Mountains, San Diego County, CalifoirniaPhoto: Adult female Acorn Woodpecker, Huachuca Canyon, ArizonaPhoto: Adult male Acorn Woodpecker, Alum Rock Park, San Jose, CaliforniaPhoto: Acorn Woodpecker granary in a Scotch pine, Stevens Creek County Park, Cupertino, CaliforniaPhoto: Fresh acorn stored in bark crevice in a Scotch pine, Stevens Creek County Park, Cupertino, California