Siphonorhis Americana. The Jamaican poorwill (Siphonorhis americana), also known as the Jamaican pauraque or Jamaican least pauraqué, is a species of nightjar in the family Caprimulgidae. It is endemic to Jamaica. Its natural habitats are tropical dry forests and subtropical or tropical dry shrubland. It is critically endangered or possibly already extinct due to a combination of introduced predators and habitat destruction. Illustrated page from "Extinct Birds" by Lionel Rothschild, published in 1907, and drawn by John Gerrard Keulemans (1842–1912).