Scientific Name
Falco peregrinus anatum

Description
Crow-sized bird of prey with long, sickle-shaped wings and a long, tapered tail

Plumage
Adults are bluish-grey on top, with a dark hood extending into a thick vertical stripe on each cheek; underparts are pale, with blackish or dark brown spots and barring

Juveniles vary from slate grey to brown on top, and have buffy underparts with dark vertical streaks

Length
Females are 45–58 cm (18–23 in.) from tip of beak to tip of tail

Males are always smaller, about 36–49 cm (14–19 in.)

Wingspan
80–120 cm (31–47 in.)

Weight
Females average 910–960 g (2–2.1 lbs.)

Males are about 500–570 g (1.1–1.3 lbs.)

Speed
65-90 km/h (40-55 mph) in normal flight

330 km/h (205 mph) or more in a stoop, or attack dive

Call
A harsh, resounding “kak-kak-kak-kak”, more wheezy and high-pitched in males, more grating and coarse in females