How Niko Tinbergen reverse-engineered the seagull | Animal behavior, Herring gull, Behavioural ecology
Grant McIntyre | Niko Tinbergen | Slightly Foxed literary review
Biology 484 – Ethology Chapter 1 – An Evolutionary Approach to Animal Behavior. - ppt download
Founders of the field of Modern Ethology Konrad Lorenz Modern Ethology: the study of the evolution and functional significance of behavior. - ppt download
Nikolaas Tinbergen - YouTube
Nikolaas Tinbergen - Alchetron, The Free Social Encyclopedia
Royal Society Picture Library | Portrait of Niko Tinbergen