Phylogeography and population genetics. Endogenous retroviruses. Immunogenetics. Current projects: Phylogeography and genetic diversity of the platypus. Characterisation and evolution of the MHC in peccaries, wild pigs, alligators and crocodiles. Genetic diversity of peccaries and wild pigs. Origins and genetic diversity of chickens. Characterisation of endogenous retroviruses in the saltwater crocodile