W. D. Graul

POSSIBLE FUNCTIONS OF HEAD AND BREAST MARKINGS IN CHARADRIINAE

W. D. Graul, 2002 .

Response of Breeding Great Blue Herons to Human Disturbance in Northcentral Colorado

W. D. Graul, R. Ryder, Diana K. Vos, 1985 .

Breeding biology of the mountain plover (Charadrius montanus), 1969-1972

W. D. Graul, 2007 .

The Evolution of Avian Polyandry

D. Mock, W. D. Graul, S. Derrickson, 1977, The American Naturalist.

Breeding Status of the Mountain Plover

W. D. Graul, Lois E. Webster, 1976 .

Breeding adaptations of the mountain plover : (Charadrius montanus)

W. D. Graul, 1969 .