He moved to Australia in 1969 to participate in the 1970 Australian National Antarctic Research Expedition (ANARE). There he wintered on Macquarie Island and worked on speciation in Giant Petrels.
He relocated to Australia in 1969 to participate in the 1970 Australian National Antarctic Research Expedition (ANARE), which involved him spending time on Macquarie Island during the winter, and researching Giant Petrel speciation.