Monthly Archives

May 2026

The Natural History of Courting and Rushing Western Grebes and Clark’s Grebes BirdsSan Diego

The Natural History of Courting and Rushing Western Grebes and Clark’s Grebes

Western Grebes (Aechmophorus occidentalis) and Clark’s Grebes (A. clarkii) are large, colonial diving birds inhabiting open lakes, marsh-edged wetlands, and reservoirs across western North America. They were long treated as color morphs of one species, but studies by Ratti (1979), Nuechterlein (1981), and Storer and Nuechterlein (1985) helped establish that…
May 6, 2026