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Brown Fish-owl Brown Fish-owl Ketupa zeylonensis Population status: Least Concern Body length: 48–58 cm (18.8-22.8 in) Wingspan: Wing length: 370–403 mm (14.5-15.8 in) Weight: 1105-1308 g (38.9-46 oz) Marta Curti Did You Know? There are four known …

Mottled Wood-owl Mottled Wood-owl Strix ocellata Population status: Least Concern Body length: 41–48 cm (16-18.89 in) Wingspan: Wing length:338-372 mm (13-14.6 in) Weight: data deficient Yeray Seminario Did You Know? There are three recognized subspecies …

Forest Owlet Forest Owlet Athene blewitti Population status: Endangered Body length: 23 cm Weight: 240 g (0.5 lbs) Saswat Mishra Did you know? A man named Richard Meinertzhagen stole a museum specimen of the Forest Owlet, re-stuffed it, and pretended to …

Black-and-chestnut Eagle Black-and-chestnut Eagle Spizaetus isidori Population status: Endangered Body length: 63 to 74 cm (25 to 29 in) Wingspan: 147 to 166 cm (58 to 65 in) Weight: 1.6 to 4 kg (3.5 to 8.8 lbs) Juan Diego Quiroz, corporación ambiental …

Home Greg Gard Help conserve birds of prey worldwide Give now Hana Weaver (background) | Jim Shane (book cover) New Book: State of the World's Raptors Pre-order Your Copy Now! Chris Parish Read the Latest Update on California Condor Recovery Learn More & …

The State of the World's Raptors - Pre-order Bert Ooms New Book: State of the World's Raptors Pre-order Now! With over half of all birds of prey experiencing population declines, prioritizing conservation efforts is crucial. The new book State of the …

The American Southwest Fin & Fur Films New Documentary Featuring our California Condor program Special Benefit Screenings The American Southwest is a wild and unforgettable journey down the mighty Colorado River beautifully showcasing the region’s …

Ridgway's Hawk Ridgway's Hawk Buteo ridgwayi Population status: Critically Endangered Body length: 14–16 inches (35–41 cm) Wingspan: 20–26 inches (50–66 cm) Weight: 11–14 ounces (286–450g) David Anderson Did you know? The Ridgway's Hawk was once …

Ridgway's Hawk Project Dax Roman An Endemic Species in Danger... We are Finding Solutions Help save the Ridgway's Hawk Once found throughout much of the island of Hispaniola, the endemic Ridgway's Hawk ( Buteo ridgwayi ) experienced sharp population …

Science Publications Paul Juergens Science Publications Read the scientific papers published by members of The Peregrine Fund team Authors that are staff members of The Peregrine Fund are listed in bold.   Jump to Year: 2025          2024          2023   …