Little Grebe: Tachybaptus rufolavatus, Alaotra Grebe, is not good at flying. They use their feet instead of wings and rarely walk on the ground. Can dive for food, generally diving only 1 ~ 4m deep. Food is mainly aquatic insects and larvae, crustaceans, mollusks, small fish and grass.
When breeding, the little Grebe builds floating nests in the grass near the water, made of reeds, weeds, and some clay. Each egg is produced 2 to 7, white, mostly stained by dirt. The male and female incubate the eggs in turn. The eggs hatch for about 25 days. The young are early sex, the body is densely feathered, can move freely, in the chicks hatched 2-3 weeks, the parent birds often put the chicks on the back, frightened diving they are under the wings.
The Grebe population has been declining since the mid-20th century. The main causes are predation by the exotic species Eleotris and a reduction in the gene pool caused by natural hybridization with little grebe. They were last observed in 1985 and declared extinct on May 26, 2010. However, they may still be rediscovered, because in 2006, the Madagascar diver, once thought to be extinct, was rediscovered in Lake Arautra.
Listed in the International Union for Conservation of Nature (IUCN) ver 3.1:2010 Red List of birds - Critically Endangered (CR).
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