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Robert N. Rosenfield
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Journal Articles

Commentary: Untenables and clarifications about Accipiter migration, resurgence in urban habitats, and prey preferences in North America

Robert N. Rosenfield, David A. Grosshuesch, Andrew C. Stewart, William E. Stout, Timothy G. Driscoll ...
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2022) 134 (3): 560–565.
https://doi.org/10.1676/21-00032
Published: 15 August 2022
View article titled, Commentary: Untenables and clarifications about Accipiter migration, resurgence in urban habitats, and prey preferences in North America
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Journal Articles

Are there changes in morphometrics of migratory juvenile Rough-legged Hawks ( Buteo lagopus ) in north-central North America?

Robert N. Rosenfield, David L. Evans, Terry P. Wiens, Paul N. Frater
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2022) 134 (1): 138–144.
https://doi.org/10.1676/21-00046
Published: 10 February 2022
View article titled, Are there changes in morphometrics of migratory juvenile Rough-legged Hawks ( Buteo lagopus ) in north-central North America?
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Journal Articles

Record fledging count from a seven-egg clutch in the Cooper's Hawk ( Accipiter cooperii )

Robert N. Rosenfield, Sarah A. Sonsthagen, Ann Riddle-Berntsen, Evan Kuhel
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2020) 132 (2): 460–463.
https://doi.org/10.1676/1559-4491-132.2.460
Published: 20 November 2020
View article titled, Record fledging count from a seven-egg clutch in the Cooper's Hawk ( Accipiter cooperii )
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Journal Articles

Genetic confirmation of a natural hybrid between a Northern Goshawk ( Accipiter gentilis ) and a Cooper's Hawk ( A. cooperii )

Christy L. Haughey, Arthur Nelson, Paul Napier, Robert N. Rosenfield, Sarah A. Sonsthagen ...
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2019) 131 (4): 838–844.
https://doi.org/10.1676/1559-4491-131.4.838
Published: 01 December 2019
View article titled, Genetic confirmation of a natural hybrid between a Northern Goshawk ( Accipiter gentilis ) and a Cooper's Hawk ( A. cooperii )
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Journal Articles

Introduced Species Dominate the Diet of Breeding Urban Cooper's Hawks in British Columbia

Jenna A. Cava, Andrew C. Stewart, Robert N. Rosenfield
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2012) 124 (4): 775–782.
https://doi.org/10.1676/1559-4491-124.4.775
Published: 01 December 2012
View article titled, Introduced Species Dominate the Diet of Breeding Urban Cooper's Hawks in British Columbia
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Journal Articles

Shift to Later Timing by Autumnal Migrating Sharp-shinned Hawks

Robert N. Rosenfield, Dan Lamers, David L. Evans, Molly Evans, Jenna A. Cava
Journal: The Wilson Journal of Ornithology
The Wilson Journal of Ornithology (2011) 123 (1): 154–158.
https://doi.org/10.1676/10-046.1
Published: 01 March 2011
View article titled, Shift to Later Timing by Autumnal Migrating Sharp-shinned Hawks
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