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Robert N. Rosenfield
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Journal Articles

Broad-Winged Hawk Size Varies by Sex and Latitude in North America

Zachary E. Bordner, Rebecca A. McCabe, David Brinker, Robert N. Rosenfield, Eugene A. Jacobs ...
Journal: Journal of Raptor Research
Journal of Raptor Research (2022) 56 (4): 412–422.
DOI: https://doi.org/10.3356/JRR-21-43
Published: 13 September 2022
View article titled, Broad-Winged Hawk Size Varies by Sex and Latitude in North America
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Includes: Supplementary data
Journal Articles

An Undocumented Vocalization of Adult Male Breeding Cooper's Hawks ( Accipiter cooperii ): A Call Exclusively for Young?

Ian C. Maione, Andrew C. Stewart, Robert N. Rosenfield
Journal: Journal of Raptor Research
Journal of Raptor Research (2022) 56 (2): 267–268.
DOI: https://doi.org/10.3356/JRR-21-54
Published: 01 February 2022
View article titled, An Undocumented Vocalization of Adult Male Breeding Cooper's Hawks ( Accipiter cooperii ): A Call Exclusively for Young?
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Journal Articles

Landscape Composition Encompassing Cooper's Hawk Nest Sites in Western North Dakota

Janelle M. Taylor, Robert N. Rosenfield, Robert K. Murphy, David A. Grosshuesch
Journal: Journal of Raptor Research
Journal of Raptor Research (2021) 55 (1): 93–98.
DOI: https://doi.org/10.3356/0892-1016-55.1.93
Published: 27 January 2021
View article titled, Landscape Composition Encompassing Cooper's Hawk Nest Sites in Western North Dakota
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Journal Articles

Natal Dispersal Distance and Population Origins of Migrant Red-tailed Hawks and Cooper's Hawks

Christopher W. Briggs, Angus C. Hull, Joshua M. Hull, Jill A. Harley, Peter H. Bloom ...
Journal: Journal of Raptor Research
Journal of Raptor Research (2020) 54 (1): 47–56.
DOI: https://doi.org/10.3356/0892-1016-54.1.47
Published: 17 February 2020
View article titled, Natal Dispersal Distance and Population Origins of Migrant Red-tailed Hawks and Cooper's Hawks
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Journal Articles

Unusual Timing of Alternative Nest Building by an Urban Cooper's Hawk ( Accipiter cooperii )

Robert N. Rosenfield, Larry E. Sobolik
Journal: Journal of Raptor Research
Journal of Raptor Research (2017) 51 (4): 483–484.
DOI: https://doi.org/10.3356/JRR-17-09.1
Published: 01 December 2017
View article titled, Unusual Timing of Alternative Nest Building by an Urban Cooper's Hawk ( Accipiter cooperii )
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Journal Articles

Body Mass of Female Cooper's Hawks is Unrelated to Longevity and Breeding Dispersal: Implications for the Study of Breeding Dispersal

Robert N. Rosenfield, John Bielefeldt, Taylor G. Haynes, Madeline G. Hardin, Frederick J. Glassen ...
Journal: Journal of Raptor Research
Journal of Raptor Research (2016) 50 (3): 305–312.
DOI: https://doi.org/10.3356/JRR-15-30.1
Published: 01 September 2016
View article titled, Body Mass of Female Cooper's Hawks is Unrelated to Longevity and Breeding Dispersal: Implications for the Study of Breeding Dispersal
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Journal Articles

Polygyny Leads to Disproportionate Recruitment in Urban Cooper’s Hawks ( Accipiter cooperii )

Timothy G. Driscoll, Robert N. Rosenfield
Journal: Journal of Raptor Research
Journal of Raptor Research (2015) 49 (3): 344–346.
DOI: https://doi.org/10.3356/JRR-14-97.1
Published: 01 September 2015
View article titled, Polygyny Leads to Disproportionate Recruitment in Urban Cooper’s Hawks ( Accipiter cooperii )
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Journal Articles

Proning Behavior in Cooper's Hawks ( Accipiter cooperii )

Robert N. Rosenfield, Larry E. Sobolik
Journal: Journal of Raptor Research
Journal of Raptor Research (2014) 48 (3): 294–297.
DOI: https://doi.org/10.3356/JRR-13-86.1
Published: 01 September 2014
View article titled, Proning Behavior in Cooper's Hawks ( Accipiter cooperii )
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Journal Articles

Breeding Range Expansion of Taiga Merlins ( Falco columbarius columbarius ) in Wisconsin Reflects Continental Changes

Jenna A. Cava, Andy D. Richardson, Eugene A. Jacobs, Robert N. Rosenfield
Journal: Journal of Raptor Research
Journal of Raptor Research (2014) 48 (2): 182–188.
DOI: https://doi.org/10.3356/JRR-13-00050.1
Published: 01 June 2014
View article titled, Breeding Range Expansion of Taiga Merlins ( Falco columbarius columbarius ) in Wisconsin Reflects Continental Changes
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