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Aquatic Dependent Birds
Long-term Limnological and Aquatic Resource Monitoring for Lakes Mead and Mohave
Lakes Mead and Mohave form dynamic ecosystems, in which birds play an important role both ecologically and recreationally. As significant regional aquatic habitats, Lakes Mead and Mohave support diverse populations of resident and migratory waterfowl, songbirds, shorebirds, passerines, and birds of prey. For example, cliff habitat near open water supported 52 peregrine falcons in 2008 and approximately 24 breeding territories (NPS; 2008 preliminary data), constituting the largest population in southern Nevada and northwestern Arizona. Large trees and cliffs along the shorelines of both Lakes Mead and Mohave annually support approximately 160 wintering bald eagles, providing a significant stop along the Pacific Flyway. The endangered southwestern willow flycatcher occurs along the shoreline of Lake Mohave and in the Virgin and Muddy River inflow areas to Lake Mead. Nearly 370 species of migratory birds have been recorded within the Recreation Area. Shorebirds include sandpipers, plovers, ibis, and others. Marsh birds include soras and rails. Waterfowl include ducks, grebes, coots, loons, and cormorants. Wading birds include herons and egrets. Birds associated with the open water include kingfishers, swallows, and terns. Birds of prey at Lake Mead include bald eagle, osprey, hawk, and owls. An aquatic bird-monitoring program has been in place at Lake Mead NRA since 2004. Through this program, more than 31,000 individual birds have been counted at Las Vegas Bay alone between 2004 and 2008 relating to the diversity of aquatic habitats to be found. Portions of Lakes Mead and Mohave, and their surrounding land areas are recognized as an "Important Bird Area (IBA)" by the Audubon Society.
Management questions best answered by monitoring:
Management questions best answered by research:
Last updated: February 28, 2015