History of biogeography. These links were mostly compiled by B. Riddle.
Species distributions and influences on species distributions
Ecosystem and ecoregion classifications
Invasive species
Pleistocene biogeography, paleoecology, and Pleistocene extinctions
Evolution and phylogeny
Paleogeography and geologic time
Historical biogeography; Island Biogeography
Societies to which many biogeographers belong:
General-purpose geographic tools and information