Biological invasions provide opportunities to study evolution over contemporary timescales in novel environments increasingly affected by global climate change, pollution and habitat fragmentation (Sax et al.…
Global biodiversity is increasingly under threat from human activity, which has elevated rates of extinction and invasion by several orders of magnitude above historical averages…
The Yungas Redbelly Toad, Melanophryniscus rubriventris, is patchily distributed in Argentina, confined to the upland portion (1000-2000m above sea level) of the montane forests of…
We investigated moult strategies in Loggerhead Shrikes by examining first prebasic or preformative moult patterns and by assessing the general location where individual feathers were…
I am a Professor in the Department of Biology, at Queen’s University, where I teach Plant Ecology and Evolution, and Evolution and Human Affairs. I…