David Attenborough's Natural Curiosities, Series 3, Episode 2, Curious Minds
directed by Hilary Jeffkins, fl. 1994; presented by David Attenborough, 1926-; produced by Hilary Jeffkins, fl. 1994, Humble Bee Films, in David Attenborough's Natural Curiosities, Series 3, Episode 2 (London, England: BBC Worldwide, 2015), 25 mins