VOL. 55 · NO. 4 | December 2021
 
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FEATURE ARTICLES
Allyson B. Bangerter, Eliana R. Heiser, Jay D. Carlisle, Robert A. Miller
Journal of Raptor Research 55 (4), 471-484, (9 November 2021) https://doi.org/10.3356/JRR-20-18 Open Access
KEYWORDS: northern goshawk, Accipiter gentilis, climate change, Idaho, nesting success, phenology, Utah
Elizabeth A. Forys, Paul R. Hindsley, Sarah Bryan
Journal of Raptor Research 55 (4), 485-495, (9 November 2021) https://doi.org/10.3356/JRR-20-97 Open Access
KEYWORDS: osprey, Pandion haliaetus, breeding, daily survival rate, Florida, nesting, reproductive rate, spatial scales, urban
Travis L. Booms, Neil A. Paprocki, Joseph M. Eisaguirre, Chris P. Barger, Stephen B. Lewis, Greg A. Breed
Journal of Raptor Research 55 (4), 496-509, (9 November 2021) https://doi.org/10.3356/JRR-20-81 Open Access
KEYWORDS: golden eagle, Aquila chrysaetos, abundance, Alaska, Availability, density, migration, telemetry
Kevin Aagaard, Reesa Yale Conrey, James H. Gammonley
Journal of Raptor Research 55 (4), 510-523, (9 November 2021) https://doi.org/10.3356/JRR-20-47 Open Access
KEYWORDS: breeding, Colorado, habitat selection, nesting habitat, raptor, spatial distribution, species distribution modeling
Peter M. Mattison, Christopher C. Witt
Journal of Raptor Research 55 (4), 524-538, (9 November 2021) https://doi.org/10.3356/JRR-20-105
KEYWORDS: great horned owl, Bubo virginianus, Bogert's rule, coloration, ecogeographical rule, geographic variation, Gloger's rule, phenotype, speciation, subspecies
James M. Pay, Todd E. Katzner, Jason M. Wiersma, William E. Brown, Clare E. Hawkins, Kirstin M. Proft, Elissa Z. Cameron
Journal of Raptor Research 55 (4), 539-551, (9 November 2021) https://doi.org/10.3356/JRR-20-115
KEYWORDS: Wedge-tailed Eagle, Aquila audax, discriminant function analysis, morphology, raptor, sex identification, sexual dimorphism, Tasmania
Jose M. Gil-Sánchez, Jesús Bautista, Raquel Godinho, Marcos Moleón
Journal of Raptor Research 55 (4), 552-564, (9 November 2021) https://doi.org/10.3356/JRR-20-53
KEYWORDS: Bonelli's Eagle, Aquila fasciata, camera traps, demography, feathers, Genetic identification, long-lived species
Lois Balin, Richard Heilbrun, Jason Cox, Kelly Norrid
Journal of Raptor Research 55 (4), 565-573, (9 November 2021) https://doi.org/10.3356/JRR-20-61
KEYWORDS: burrowing owl, Athene cunicularia, automated video monitoring, downhole camera, nesting behavior, off-grid system
Clint W. Boal, Madeleine A. Thornley, Shea D. Mullican
Journal of Raptor Research 55 (4), 574-583, (9 November 2021) https://doi.org/10.3356/JRR-20-75
KEYWORDS: American kestrel, Falco sparverius, conservation, diet, food habits, nest box, reptile
Russell E. Winter, William M. Shields
Journal of Raptor Research 55 (4), 584-593, (9 November 2021) https://doi.org/10.3356/JRR-19-89
KEYWORDS: Snowy Owl, Bubo scandiacus, irruptive migration, weather-dependent foraging, milder climate hypothesis
Shirish S. Manchi, Dhanusha Kawalkar, Shivkumari Patel, Sayli Sawant
Journal of Raptor Research 55 (4), 594-604, (9 November 2021) https://doi.org/10.3356/JRR-20-73
KEYWORDS: Andaman Serpent-Eagle, Spilornis elgini, Crested Serpent-Eagle, Spilornis cheela, Habitat usage, occupancy modeling, raptor conservation, species interaction
Christopher J. W. McClure, David L. Anderson, Ralph Buij, Leah Dunn, Michael T. Henderson, Jennifer McCabe, Brian W. Rolek, Sarah E. Schulwitz, D. Paul Spurling, F. Hernan Vargas, Munir Z. Virani, Richard T. Watson, Diego Méndez, Cesar Marquez Reyes, Everton B. P. Miranda, Lyle Glowka, Sofi Hinchliffe, Bryce W. Robinson, James R. Belthoff, Julie A. Heath, André Botha, Robert A. G. Davies, Andrew P. Rayner, Simon R. Trice, Laurie Goodrich, Jean-François Therrien, M. David Oleyar, Steven J. Slater, Evan R. Buechley, Sandesh Gurung, Tulsi R. Subedi, Petra Sumasgutner, Luke J. Sutton, Franziska Loercher, W. Louis Phipps, José Tavares
Journal of Raptor Research 55 (4), 605-618, (9 November 2021) https://doi.org/10.3356/JRR-21-13 Open Access
KEYWORDS: bird of prey, conservation technology, literature review, monitoring, population trend, range, raptor
SHORT COMMUNICATIONS
Oddvar Heggøy, Tomas Aarvak, Peter Sjolte Ranke, Roar Solheim, Ingar Jostein Øien
Journal of Raptor Research 55 (4), 619-626, (9 November 2021) https://doi.org/10.3356/JRR-19-95
KEYWORDS: Eurasian Eagle-Owl, Bubo bubo, conservation, GPS telemetry, home range, seasonal movements
Andrea-Carolin Menzel, Oliver Krone
Journal of Raptor Research 55 (4), 627-634, (9 November 2021) https://doi.org/10.3356/JRR-20-52
KEYWORDS: White-tailed Sea-Eagle, Haliaeetus albicilla, food choice, hunting ammunition, lead-based bullets, lead contamination, prey species, regurgitated pellets
Ilze Skujina, Helen Ougham, Emyr Evans, Flavio Monti, Aigars Kalvāns, Tony Cross, Nicolae Adrian Macarie, Matthew Hegarty, Paul W. Shaw, Niall J. McKeown
Journal of Raptor Research 55 (4), 635-643, (9 November 2021) https://doi.org/10.3356/JRR-20-87
KEYWORDS: osprey, Pandion haliaetus, biodiversity, conservation, migration, paternity, population, recovery, Wales
Wen-Horn Lin, Shiao-Yu Hong, Si-Min Lin
Journal of Raptor Research 55 (4), 644-648, (9 November 2021) https://doi.org/10.3356/JRR-20-107
KEYWORDS: Black Eagle, Ictinaetus malaiensis, citizen science, community science, endangered species, home range
LETTERS
Thomas Oliver Mérő, Antun Žuljević, Dora Malbaša, Szabolcs Lengyel
Journal of Raptor Research 55 (4), 649-651, (9 November 2021) https://doi.org/10.3356/JRR-20-126
KEYWORDS: long-eared owl, Asio otus, communal roosting, extreme winter weather, predation behavior, prey-switching, urbanization
No abstract available
Allan Mee, Clare Heardman, Torgeir Nygård
Journal of Raptor Research 55 (4), 652-655, (9 November 2021) https://doi.org/10.3356/JRR-20-129
KEYWORDS: White-tailed Eagle, Haliaeetus albicilla, brood reduction, Ireland, siblicide, sibling aggression
No abstract available
BOOK REVIEW
Sofi Hindmarch, Rebecca A. McCabe
Journal of Raptor Research 55 (4), 656-657, (9 November 2021) https://doi.org/10.3356/0892-1016-55-04-22
No abstract available
ERRATUM
J Kahlil Panopio, Marivic Pajaro, Juan Manuel Grande, Marilyn Dela Torre, Mark Raquino, Paul Watts
Journal of Raptor Research 55 (4), 658, (9 November 2021) https://doi.org/10.3356/0892-1016-55.4.658 Open Access
No abstract available
INFORMATION FOR CONTRIBUTORS
Cheryl Dykstra
Journal of Raptor Research 55 (4), 659-662, (9 November 2021) https://doi.org/10.3356/0892-1016-55.4.659 Open Access
No abstract available
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