The Limpkin (also called "carrao", "courlan", "crying bird"), Aramus guarauna, is a bird that looks like a large rail
but is skeletally closer to cranes
. It is the only
extant
species in the genus Aramus and the family
Aramidae. It is found mostly in wetlands in warm parts of the Americas
, from Florida
to northern Argentina
. It feeds on molluscs
, with the diet dominated by apple snails
of the genus Pomacea
. Its name derives from its seeming limp when it walks

