Classification An order of primarily flightless birds that have been around for 63 million years.They have traditionally been considered as a suborder of the Gruiformes, but based on both morphological and genetic studies, they are now treated as a bird order whose close relatives are the Falconiformes, Psittaciformes and Passeriformes.
There are two
restricted to southern-central South America. The red-legged, or
crested, seriema, inhabits grasslands, but the nest
is built in bushes or trees. The black-legged seriema, sometimes called
gray seriema, which
areas, is darker and grayer, with a shorter crest and shorter
legs. The seriema feeds on insects, snails, reptiles, and berries.