Lec2: Introduction to ethology

MIT Animal Behavior Fall 2013 Instructor: Gerald E. Schneider View the complete course: YouTube Playlist: This lecture provides an introduction to ethology as well as discussing Niko Tinbergen's four questions and three-spined stickleback fish. License: Creative Commons BY-NC-SA More information at More courses at Support OCW at We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at