A Call for Better Estimates of Philippine Eagle Population Size

Jayson C. Ibañez; Luke J. Sutton; Munir Z. Virani; Christopher J. W. McClure

doi:10.3356/jrr2539

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Editorial Type: research-article

Online Publication Date: 30 Sept 2025

A Call for Better Estimates of Philippine Eagle Population Size

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Article Category: Research Article

DOI: 10.3356/jrr2539

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Keywords: abundance; density; monitoring; occupancy; persecution; rarity

Contributor Notes

* Corresponding author: ibanez.jayson@gmail.com

Received: 30 Apr 2025

Accepted: 04 Aug 2025

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Citations

Relationship between Red-tailed Hawk Polymorphism and Ectoparasite Load

Christopher W. Briggs,

Edward J. Zellar,

Allen M. Fish, and

Teresa E. Ely

Prevalence and Host Specificity of Haemosporidian Parasites in Eurasian Kestrels and Eurasian Buzzards in Northern Italy: Morphological and Molecular Analysis

Ilaria Guarniero,

Michela Padovani,

Laura Stancampiano,

Giulia Bettoni,

Tiziano Iemmi, and

Fabio Macchioni

A Call for Better Estimates of Philippine Eagle Population Size

Jayson C. Ibañez,

Luke J. Sutton,

Munir Z. Virani, and

Christopher J. W. McClure

Irruptive Movements by Short-eared Owls and Concepts of Habitat Use: Commentary and Suggestions to Address Information Gaps

Joseph B. Buchanan,

Robert A. Miller,

John Calladine, and

Travis L. Booms

Richard L. Glinski, 1950–2025

Winter Ranges of Migratory Turkey Vultures in Venezuela

Erik M. Hedlin,

C. Stuart Houston,

Philip D. McLoughlin,

Marc J. Bechard,

Marten J. Stoffel,

David R. Barber, and

Keith L. Bildstein

Characteristics and Sexual Functions of Sky-Dancing Displays in a Semi-Colonial Raptor, the Montagu's Harrier (Circus pygargus)

Beatriz Arroyo,

François Mougeot, and

Vincent Bretagnolle

Feather Corticosterone Levels and Carotenoid-Based Coloration in Common Buzzard (Buteo buteo) Nestlings

Jesús Martínez-Padilla,

François Mougeot,

Jesús T. García,

Beatriz Arroyo, and

Gary R. Bortolotti

Carotenoids and Skin Coloration in a Social Raptor

Julio Blas,

Sonia Cabezas,

Jordi Figuerola,

Lidia López,

Alessandro Tanferna,

Fernando Hiraldo,

Fabrizio Sergio, and

Juan J. Negro

Brightness Features of Visual Signaling Traits in Young and Adult Eurasian Eagle-Owls

Chiara Bettega,

Letizia Campioni,

María Del Mar Delgado,

Rui Lourenço, and

Vincenzo Penteriani

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Citations

Relationship between Red-tailed Hawk Polymorphism and Ectoparasite Load

Christopher W. Briggs,

Edward J. Zellar,

Allen M. Fish, and

Teresa E. Ely

Prevalence and Host Specificity of Haemosporidian Parasites in Eurasian Kestrels and Eurasian Buzzards in Northern Italy: Morphological and Molecular Analysis

Ilaria Guarniero,

Michela Padovani,

Laura Stancampiano,

Giulia Bettoni,

Tiziano Iemmi, and

Fabio Macchioni

A Call for Better Estimates of Philippine Eagle Population Size

Jayson C. Ibañez,

Luke J. Sutton,

Munir Z. Virani, and

Christopher J. W. McClure

Irruptive Movements by Short-eared Owls and Concepts of Habitat Use: Commentary and Suggestions to Address Information Gaps

Joseph B. Buchanan,

Robert A. Miller,

John Calladine, and

Travis L. Booms

Richard L. Glinski, 1950–2025

Winter Ranges of Migratory Turkey Vultures in Venezuela

Erik M. Hedlin,

C. Stuart Houston,

Philip D. McLoughlin,

Marc J. Bechard,

Marten J. Stoffel,

David R. Barber, and

Keith L. Bildstein

Characteristics and Sexual Functions of Sky-Dancing Displays in a Semi-Colonial Raptor, the Montagu's Harrier (Circus pygargus)

Beatriz Arroyo,

François Mougeot, and

Vincent Bretagnolle

Feather Corticosterone Levels and Carotenoid-Based Coloration in Common Buzzard (Buteo buteo) Nestlings

Jesús Martínez-Padilla,

François Mougeot,

Jesús T. García,

Beatriz Arroyo, and

Gary R. Bortolotti

Carotenoids and Skin Coloration in a Social Raptor

Julio Blas,

Sonia Cabezas,

Jordi Figuerola,

Lidia López,

Alessandro Tanferna,

Fernando Hiraldo,

Fabrizio Sergio, and

Juan J. Negro

Brightness Features of Visual Signaling Traits in Young and Adult Eurasian Eagle-Owls

Chiara Bettega,

Letizia Campioni,

María Del Mar Delgado,

Rui Lourenço, and

Vincenzo Penteriani

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Get Ahead of Print Alerts

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