Butler, Christopher J., University of Central Oklahoma
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Proceedings of the Oklahoma Academy of Science Vol. 95 (2015) - Applied Ecology & Conservation
Prey Composition of Barn Owl Pellets Collected in Oklahoma
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Bulletin of the Oklahoma Ornithological Society Vol. 44 No. 3-4 (2011) - Articles
Hybridization between black-chinned (Archilochus alexandri) and ruby-throated (A. colubris) hummingbirds in Oklahoma
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Bulletin of the Oklahoma Ornithological Society Vol. 46 No. 4 (2013) - Articles
Temperature affects the clarity of hummingbird feeder solutions
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