Geoffrey Holroyd Author

Hälle Flygare worked for Canada’s Park Service for many years and has been a wildlife guide and photographer. Dr. Valerius Geist was a zoologist, who studied mountain sheep and was a professor of Environmental Design at the University of Calgary. He died in 2021. Dr. Geoffrey Holroyd is a bird biologist whose career included 36 years in the Canadian Wildlife Service. Dr. Wayne Lynch is a celebrated wildlife photographer. His recent books include Penguins of the World (A & C Black; August 2007) and Galapagos: A Traveller’s Introduction (Firefly Books; April 2018; ISBN 978 02281 0019 5).