Powerful nocturnal predator with a deep hooting voice. Widespread across North America, in a variety of wooded habitats, often near open areas. Large, mottled gray body and reddish face with ear tufts and yellow eyes. Female hoot is higher than male. Uses excellent hearing and nocturnal vision to silently prey on a variety of animals, ranging from mice to geese, other raptors, and mammals as large as porcupines. Usually adopt an existing nest or cavity. Lifespan up to 28 years. Population ~ 6 million and stable.