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Biotic and abiotic factors influencing nonbreeding raptor assemblages in southern Texas
(2001)
I investigated factors influencing diversity ami abundance of wintering raptor assemblages in southern Texas. I approached this problem from several spatial and temporal scales, ranging from continental to patch, and 30 ...
Nutritional ecology of northern pintails wintering in the Laguna Madre of Texas
(2001)
Molt intensity, digestive tract morphology, diet, and carcass composition of northern pintails were investigated along the southern Texas Coast during winters of 1997-98 and 1998-99. Precipitation was 133% and 83% of the ...
Ecological correlates of Harris' hawk grouping in southern Texas
(2002)
I surveyed Harris' hawk (Parabuteo unicinctus) grouping relative to rainfall and landscape patterns at eight southern Texas study sites during the fall non-breeding season. Objectives were to: I) determine relationships ...