 Malheur Lake contains many aquatic plants and grasses and is an important nesting and feeding area for waterfowl, migratory birds, and many other bird species.Wildlife includes ducks, geese, swans, herons, egrets, gulls, terns, and grebes.The Great Basin redband trout ("Oncorhynchus mykiss newberri") has reduced access to Malheur and Harney lakes due to irrigation diversions, channelization, draining of marshlands, and high alkalinities.