Robert Antonio Francis

Miami University | MU · Department of Zoology

The American beaver (Castor canadensis) has been described as a choosy generalist at the species/population scale, yet observational studies have shown little variation in diet among individuals. We compared isotopic values of δ¹³C or δ¹⁵N taken from hair of 32 beaver, representing seven colonies in northern Alabama, USA to determine 1) if colonies...

Animal habitat selection, among other ecological phenomena, is spatially scale dependent. Habitat selection by American beavers (Castor canadensis; hereafter beaver) has been studied at singular spatial scales, but to date no research addresses multi-scale selection. Our objectives were to determine if beaver habitat selection was specialized to se...