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Gary Lefko

Join a Christmas Bird Count ... they are fun!

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Full Name
Gary Lefko
Country
United States
Age
58
Gender
Man
City
Nunn
State
CO
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The "Nunn Guy" who is a Colorado Birder
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3 days ago
Gary Lefko wrote
Updated Christmas Bird Count List (email contacts added) - http://coloradobirder.club/page/Christmas-Bird-Count
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Developing a monitoring program for bird populations in the Chiricahua Mountains, Arizona, using citizen observers: Initial stages-https://www.fs.usda.gov/treesearch/pubs/54536
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
The future demographic niche of a declining grassland bird fails to shift poleward in response to climate change-https://www.fs.usda.gov/treesearch/pubs/53944
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
The biology of the California spotted owl-https://www.fs.usda.gov/treesearch/pubs/54987
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
The California spotted owl: current state of knowledge-https://www.fs.usda.gov/treesearch/pubs/54985
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Male greater sage-grouse movements among leks-https://www.fs.usda.gov/treesearch/pubs/55295
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Using a full annual cycle model to evaluate long-term population viability of the conservation-reliant Kirtland's warbler after successful recovery-https://www.fs.usda.gov/treesearch/pubs/52906
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Long-term demography of the Northern Goshawk in a variable environment-https://www.fs.usda.gov/treesearch/pubs/54157
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Abundance of Black-backed woodpeckers and other birds in relation to disturbance and forest structure in the Black Hills and Bear Lodge Mountains of South Dakota and Wyoming-https://www.fs.usda.gov/treesearch/pubs/54347
3 days ago 0 likes 0 comments 0 comments
Gary Lefko wrote
Mixed effects of geolocators on reproduction and survival of Cerulean Warblers, a canopy-dwelling, long-distance migrant-https://www.fs.usda.gov/treesearch/pubs/54772
3 days ago 0 likes 0 comments 0 comments