A focus on juvenile light/pale morph Rough-legged Hawk (Buteo lagopus sanctijohannis) identification
ASHTON-BOOTH J. 2025. A focus on juvenile light/pale morph Rough-legged Hawk (Buteo lagopus sanctijohannis) identification www.raptoridentification.com
OLLÉ A. GOY J. & MONTRÀS-JANER T. 2023. Identification of Pallid Harrier Part I: first plumage. Key characters to distinghish […]
TRABALON F. & JAIS M. 2021. Field identification of the Golden Eagle, and the different plumages of the ssp. homeyeri […]
OLLÉ A. MONTRÀS-JANER T. & GOY J. 2020. Identification of juvenile Lesser Kestrel: keys to differentiate from juvenile Common Kestrel. […]
OLLÉ A. & MONTRÀS-JANER T. 2020. Identification of second and third plumages in Short-toed Snake Eagle. www.raptoridentification.com Short-toed Snake Eagle […]
OLLÉ A. & MONTRÀS-JANER T. 2020. How to sex Eurasian Hobby in juvenile and transitional plumage. www.raptoridentification.com Adult birds are […]