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The common gallinule (Gallinula galeata) is a bird in the family Rallidae. It was split from the common moorhen by the American Ornithologists' Union in July 2011. [ 3 ] It lives around well-vegetated marshes, ponds, canals, and other wetlands in the Americas.
They are often referred to as (black) gallinules. Recently, one of the species of Gallinula was found to have enough differences to form a new genus Paragallinula with the only species being the lesser moorhen ( Paragallinula angulata ).
The purple gallinule (Porphyrio martinica) is a swamphen in the genus Porphyrio. It is in the order Gruiformes, meaning "crane-like", an order which also contains cranes, rails, and crakes. The purple gallinule is a rail species, placing it into the family Rallidae. It is also known locally as the yellow-legged gallinule.
The Hawaiian gallinule (Gallinula galeata sandvicensis) is an endangered chicken-sized water bird in the rail family. It is also variously known as the Hawaiian common gallinule , Hawaiian moorhen , Hawaiian common moorhen , mudhen , or ‘alae ‘ula (“burnt forehead” - for its prominent red frontal shield) in Hawaiian , [ 2 ] and ...
In some species, it is longer than the head (like the clapper rail of the Americas); in others, it may be short and wide (as in the coots), or massive (as in the purple gallinules). [5] A few coots and gallinules have a frontal shield, which is a fleshy, rearward extension of the upper bill.
The closely related common gallinule G. galeata of the New World, and the tristan moorhen G. nesiotis and gough moorhen G. comeri of the Tristan da Cunha archipelago, formerly often regarded as conspecific, are now treated as a separate species by all the ornithological authorities, [6] following the discovery of significant genetic differences ...
The lateral line system consists of canals that run along a fish's body, connecting rows of openings (pores) through the skin and scales to the water outside the body. Small sense organs, neuromasts (inset), are positioned both at intervals along the canals, and on the surface of the body. Each hair cell contains a bundle of sensory hairs.
The Allen's gallinule has a short red bill, greenish back and purple upperparts. They have red legs with long toes, and a short tail which is white with a dark central bar underneath. Breeding males have a blue frontal shield, which is green in the female. Immature Allen's gallinules are sandy brown with a buff undertail.