Bat Falcon vs Brown Falcon

Bat Falcon

Falco rufigularis

Medium164 gForest

The bat falcon is 23 to 30 cm (9.1 to 12 in) long. Males weigh 108 to 150 g (3.8 to 5.3 oz) and have a wingspan of 51 to 58 cm (20 to 23 in). Females weigh 177 to 242 g (6.2 to 8.5 oz) and have a wingspan of 65 to 67 cm (26 to 26 in). They have long wings and a longish tail with a square tip. The sexes have similar plumage. Adults have blue-black head and upperparts with grayish edges on the feathers from the upper back to the uppertail coverts. Voice: The bat falcon is vocal "in breeding season, especially near nest, in contacts with other raptors, and even when attacking prey." Its main call is a "rapid shrill screaming" kee-kee-kee.. or kew-kew-kew..; the male's is higher pitched than the female's. Other calls include "an even higher and thinner "tsee-tsee-tsee...

ID text from Wikipedia, CC BY-SA 4.0

Photo: Joao Quental · CC BY 2.0

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

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