Some birds that utilize tree cavities and/or nesting boxes

• longtailed_duck (3)
• Great Blue Heron Juvenile released by wildlife rehabilitor (7)
• First photos with Olympus 300mm f4 Pro lens (12)
• Cedar Waxwings at Curtin Wetlands, Curtin Village, PA (8)
• horned_larks_2018 (12)
• Snow Owl seen in corn field off Williams Rd, Center Hall, PA 1/6/18 (4)
• lesser_scaup_2017 (6)
• B&W studies of cloud formations (7)
• Snapshots from the Chiricahua Mountains and SE Arizona (23)
• Rough-legged Hawk at I-80 and Rt 26/I99: 1.31.09 (7)
• Some Winter Birds of Centre County, PA (36)
• Purple Finches 2009 (5)
• Some Birds of Arizona captured with the Olympus OM-D EM-5 body and Lumix 45-200mm f4-5.6 lens (35)
• Merlin strikes terror in Howard Backyard (7)
• Dickcissels in Clinton County, PA, plus Seasonal bird photos (23)
• Fall Warblers passing through my backyard (8)
• White-winged Tern: a rare visitor from across the Atlantic (12)
• Great Crested Flycatcher nesting success. (12)
• Horned Larks in field at Rock Springs (10)
• Tufted Titmouse fledgling and 2 sandpipers at Bald Eagle State Park (10)
• Golden-crowned Kinglet hunting insects during spring migration. (12)
• OM-D EM-1 Mark II; first photos (22)
• Juvenile Cooper's Hawk eating roadkill rabbit (10)
• summer_2016_photos (30)
• new_photos_summer_2016 (37)
• Black & White: exploration of the concept (8)
• Butterflies, Moths etc: Macro Insects 2012 - 2016 (52)
• Macro Insect Photography: some Old Favorites made with the Nikon D70s: in the beginning of my transition..... (28)
• 5 Sandhill Cranes in Centre County, PA (15)
• recent_bird_photos_from_centre_co_pa (24)
• 2015: A new Olympus OM-D EM-5: I missed out on OM-1, but look out now.... (20)
• Some Birds seen at Bald Eagle State Park (10)
• Birds and Wildlife of South Africa in faux polaroids. (69)
• fall_colors_2015 (8)
• Glossy Ibis at Central Mountain High School wetland, Mill Hall, PA (7)
• Pine Siskins at my backyard feeding stations Feb 2015 (15)
• BASIC IV Bald Eagle recently at the beach area, BESP, PA (5)
• Female Ruby-throated Hummingbird bathing in hose shower. (11)
• Rusty Blackbird refuels in Howard, PA (6)
• Nature Images from South Africa 2014 (28)
• Canvasbacks at the Marina: BESP (6)
• Bird Photography from Centre County PA Updated for 2016 (80)
• Sparrows of Centre County, PA (29)
• Snow Buntings at Lower Green's Run boat launch, Bald Eagle State Park, PA (6)
• Birds of Centre County, PA (73)
• Some Snapshots from Travels in Mozambique (28)
• Birds of Limpopo, South Africa and Sussundenga, Mozambique: 2010 travels (18)
• Photos from Nikon D7000 camera (28)
• Birds of Bald Eagle State Park: Slide show (53)
• 2011 images of shorebirds and waders seen at Colyer Lake, PA (16)
• Kestrel at Rt 150 and Marsh Creek Road (3)
• Birds at Curtin Wetland, near Curtin Village, PA (11)
• Rose-breasted Grosbeak stops in for a refueling (9)
• Black Terns at Bald Eagle State Park, PA; August 11, 2012 (10)
• Purple Finch female (6)
• Views from my Shade and Sun Gardens (11)
• Birds at BESP after Tropical Storm Lee: September 2011 (7)
• Belted Kingfisher dispute (7)
• Common Loons in Snow Squall (4)
• Peregrine Falcon at West Branch Susquehana River, near McElhatten, PA (10)
• Immature Bald Eagles seen at Bald Eagle State Park, Howard, PA (7)
• Ring-billed Gull fish-chase (5)
• Birds and Animals from the Republic of South Africa/Limpopo Province: 2009 (75)
• One more vist: Trumpeter Swans in Clinton County, PA (19)
• Trumpeter Swans at Castanea revisited (16)
• Trumpeter Swans stopover in Clinton Co., PA (12)
• Yellow-billed Cuckoo Photo Essay. Posted on May 28, 2008. Revised on June 8 and July 5, 2008. (23)
• Eastern Bluebirds (10)
• Sharp-shinned Hawk in my backyard! (4)
• Disputes among the 'snow birds' (11)
• Fish Crows as yard birds (4)
• Images from a Summer Day at Curtin Wetland (16)
• Red-bellied Woodpecker has European Starling on the run!!! (1)
• Immature Cooper's Hawk at Bald Eagle State Park, PA (5)
• Some birds that utilize tree cavities and/or nesting boxes (15)
• Isis is a Peregrine Falcon (2)
• Common Grackles seeking food while migrating; Or the great maize mania!! (10)
• Common Redpolls in Howard, PA: Winter of 2007-2008 (4)
• Immature male: Ruby-throated Hummingbird (5)
• Ruby-throated Hummingbirds, Howard, PA (6)
• Marsh Wren Observed at Curtin Wetland (3)
• Mystery Moth or Butterfly? (4)
• Wildlife from man-made and natural wetlands in Pennsylvania. (14)
• Summer Morning in Penn's Woods: July 19, 2008 (7)
• 17-year Cicada exiting its exoskeleton and inflating its wings. (16)
• Spotted Sandpiper (Actitis macularia) (4)
• Carolina Wren at my woodpile, summer 2007 (4)
• Male Pileated Woodpecker working a dying gray birch tree for black ants. (12)
• Long-tailed Duck (0)
• pa_birds (17)
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• testing (0)
• 2016_mystery_swan (0)