Austral Pygmy Owl
Glaucidium nana
The austral pygmy owl is 17 to 21 cm (6.7 to 8.3 in) long. Males weigh 56 to 75 g (2.0 to 2.6 oz) and females 70 to 100 g (2.5 to 3.5 oz). It has gray-brown and red morphs and intergrades between them. Adults of both morphs have a pale grayish brown face with dark flecks, whitish "brows" over pale yellow eyes, and black "false eyes" on the nape. The gray-brown morph's upperparts are dark grayish brown with whitish dots of variable size and shape. The tail is also dark grayish brown with narrow buffy bars. Voice: The austral pygmy owl has five primary vocalizations. Pairs maintain contact with "a whistle with 6 to 7 notes/sec described as huj-huj-huj-huj-huj-huj". Their territorial call is "a sharp trill described as truie-truie-yi-yi". Nestlings make "soft metallic chirps trigigigirrr or trigigick". Both sexes make a courtship call, "a whistle...
ID text from Wikipedia, CC BY-SA 4.0
Pearl-spotted Owlet
Glaucidium perlatum
The pearl-spotted owlet is one of the smallest owls in Africa with a length of 17 to 21 cm. The females are slightly larger and heavier (100g) than the males (65g). Both males and females have similar plumage colouration. The facial disc is off-white and the eyes are yellow. At the back of the head there are two striking false black 'eyes' with a white outline. The upper parts are cinnamon-brown with white spots. The tail and flight feathers are brown, with large white spots forming bars in flight. The bill and cere are pale greenish yellow, the legs are feathered white and feet are yellow. Voice: Pearl-spotted owlets call by day and night, especially before breeding, but are quiet when nesting. They have a distinct call: a loud series of shrill, short whistles that accelerate in tempo and rise in volume to a crescendo of long, loud whistles that descend in pitch and volume, peu peu peu-peu-peu peeuu peeeuu. A breeding pair may call in duet, whereby the female is higher pitched.
ID text from Wikipedia, CC BY-SA 4.0
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