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jacana
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jacana

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The American jacana, or lily trotter, is a common waterbird of lagoons and marshes in Mexico and Central America. Jacanas have extremely long toes and claws for walking on floating vegetation.

Wading bird with very long toes and claws enabling it to walk on the floating leaves of water plants. There are seven species. Jacanas are found in Mexico, Central America, South America, Africa, South Asia, and Australia, usually in marshy areas. (Family Jacanidae, order Charadriiformes.)

The Australian jacana (Irediparra gallinacea) is so well adapted to life on water that the eggs are laid on floating vegetation and can themselves float.

The common jacana (Jacana spinosa), of Brazil, is black with green plumage on the wings and a warm-brown neck. The female pheasant-tailed jacana (Hydrophasianus chirurgus) of Asia has a ‘harem’ of two to four males.



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Choices by females often play the deciding role in mating behavior: Bronze-winged jacanas keep male harems and trade dalliances for childcare (SN: 3/6/99, p.
She laments that previous work on female ornamentation has mostly occurred in sex-role-reversed birds like jacanas, where a big bold female defends a territory and monopolizes the males within it (SN: 3/6/99, p.
The reverse situation appears among 14 species, including two pipefish and such birds as phalaropes and jacanas.
 
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