A small-medium falcon; 27-35 cm TL; 136-314g. Head and neck: Head and nape grey (male), brown (female); black mark (moustache) on front of cheek; eye brown; skin around eye yellow; bill bluish grey at base with black tip; throat white.
Body: Overall brown with dark brown spots; female more extensive spotting; secondaries greyish brown; primaries dark brown; breast and abdomen light brown with dark brown streaks.
Limbs and tail: Legs and feet yellow; tail grey with black tip (male), brown with bars and black tip (female).