Jacamaralcyon tridactyla Vieillot, 1817.
OTHER COMMON NAMES
French: Jacamar tridactyle; German: Dreizehen-Glanzvogel; Spanish: Jacamar Tridбctilo.
7 in (18 cm); 0.7 oz (20 g). Has three toes, two facing forward and one back; dark grayish green plumage and a chestnutbrown head.
Open woodland, lowlands.
Similar to kingfishers in hunting
, color, and beak shape.
FEEDING ECOLOGY AND DIET
Prefers flying insects. Perches on tall grasses at the edge of forest to watch for prey, then darts out and catches it in mid-air.
Lays one to four white eggs in ground-hole nest cavity. Sometimes nests colonially. Incubation is 20–23 days. Chicks emerge from nest after 21–26 days, covered with white down. Both sexes incubate, and care for chicks.
The only Endangered jacamar species, due to habitat loss from agriculture and development. The current population is not known, but has declined dramatically and is believed to exist in very small numbers. Three-toed jacamars are protected in the Caratinga Reserve in Brazil.
SIGNIFICANCE TO HUMANS
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