1 Season
29 Episode
Discovering Animal Behaviour - Season 1 Episode 21 Eat or be eaten (2008)
Watch Discovering Animal Behaviour - Season 1 Episode 21 Eat or be eaten Full Episodes Online Free Streamings FMovies. Dr. David Alvarez by experiment in captivity has been shown that stickleback adapt their defense against herons depending on the speed of the water in which they live.
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- Director : Alberto Redondo
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