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nature
Colaptes
Picidae
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Anne Elliott
Northern Flicker
Colaptes auratus
nest-building
Carburn Park
tree cavity
dropped before Scouted
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Woodpecker
Calgary
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Building her nest

Building her nest
This beautiful female Northern Flicker was busy building a nest in this tree cavity, on 22 April 2014, at Carburn Park.

"Both sexes help with nest excavation. The entrance hole is about 3 inches in diameter, and the cavity is 13-16 inches deep. The cavity widens at bottom to make room for eggs and the incubating adult. Inside, the cavity is bare except for a bed of wood chips for the eggs and chicks to rest on. Once nestlings are about 17 days old, they begin clinging to the cavity wall rather than lying on the floor.

Northern Flickers usually excavate nest holes in dead or diseased tree trunks or large branches. In northern North America look for nests in trembling aspens, which are susceptible to a heartrot that makes for easy excavation. Unlike many woodpeckers, flickers often reuse cavities that they or another species excavated in a previous year. Nests are generally placed 6-15 feet off the ground, but on rare occasions can be over 100 feet high. Northern Flickers have been known to nest in old burrows of Belted Kingfishers or Bank Swallows." From AllAboutBirds.

www.allaboutbirds.org/guide/northern_flicker/lifehistory

en.wikipedia.org/wiki/Northern_Flicker

, Guy Bas have particularly liked this photo


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