Its scientific name is “American White Pelican” is a species of bird family Pelicans (Pelecanidae), which is characterized by its white color and shape of flying in general are very graceful in flight, moving its wings in slow and powerful blows. It has a considerable size which ranges on average between 12 and 18 dm, with black spots on the wings and a fairly large orange beak compared to other birds. These birds in adulthood can have a wingspan of about 3 m. Unlike the brown pelican (Pelecanus occidentalis), white not dive to hunt for food. Instead, cooperative fishing practices; each bird eats on average 1.5 kg of fish per day. Within its fish diet usually it includes mostly carps Cyprinidae, Leuciscus cephalus, sardines, perch, catfish, Seriola zonata, etc.
These birds in the breeding nest in colonies of several hundred pairs on islands in freshwater lakes in North America, among which are characterized some by being in the islands in the rapids of the Slave River between Fort Fitzgerald (Alberta) and Fort Smith (Northwest Territories), because they are farther north. About 10-20% of the population uses Gunnison Island in the Great Salt Lake as nesting territory. Females lay eggs 2 or 3 eggs slight depressions in the ground. Both parents incubate.
It is a bird that migrates after the change of seasons in the north in search of suitable areas for the time of year. Overwinter in Central California and along the Pacific coast of Guatemala; Also on the beaches of the Gulf of Mexico. Poaching is the most important cause of death. Colonies are sensitive to disturbance; and visits by humans can cause the pelicans leave their nests.