The ferruginous pygmy owl (Glaucidium brasilianum) is crepuscular, but often hunts by day. It hunts a variety of birds, lizards, mammals, and insects. It is a very small owl lacking ear tufts. Male and female are similar in plumage. The eyebrows and lores are white and are bolder than the other white markings. Chest is white with rufous-brown streaks; iris of the eyes are lemon yellow; bill is yellow to greenish or greyish-yellow. Ferruginous means rusty in colour.