Brown Falcon vs Prairie Falcon

Brown Falcon

Falco berigora

Large587 gWoodland

Adults are usually 40 to 50 cm (16 to 20 in) long. They are found in light and dark forms and a variety of intermediates. Animals typically have red-brown heads with narrow black streaks with a light crown and off-white chin. Wings are a spotted red-brown with dark brown quills. Beaks are light blue/grey; eyes are brown. The falcons make a loud cackle call uttered frequently.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Cal Wood · CC BY 4.0

Prairie Falcon

Falco mexicanus

Large713 gGrassland

Voice: Calls, heard mostly near the nest, are described as repetitive kree kree kree…, kik kik kik…, and the like, similar to the peregrine's call but higher-pitched.

ID text from Wikipedia, CC BY-SA 4.0

Photo: U.S. Geological Survey · Public domain

Photos and recordings are credited to their authors under the licence shown. Full profiles: Brown Falcon and Prairie Falcon.