Identification of Pallid Harrier. Part I: first plumage. Key characters to distinghish the differences with Montagu’s Harrier in 1cy autumn (fresh plumage) and 2cy spring (worn plumage)

OLLÉ A. GOY J. & MONTRÀS-JANER T. 2023. Identification of Pallid Harrier Part I: first plumage. Key characters to distinghish the differences with Montagu’s Harrier in 1cy autumn (fresh plumage) and 2cy spring (worn plumage) www.raptoridentification.com

Spanish version

Aguiluchos-juveniles