Le serpent se sert de sa langue pour... sentir

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Transcript

00:00 When this snake, this one, or this one, speaks,

00:07 it collects chemical information about its environment that an ordinary nat could not decipher.

00:14 Pheromones are chemical particles that allow animals to exchange information with each other.

00:23 Bees produce them to attract their congeners.

00:28 The pheromones of this mouse will influence the behavior of its companions.

00:34 But thanks to its organ of Jacobson, this python can intercept its messages.

00:41 The reptile begins by tasting the air.

00:53 Then, once its tongue is in, it inserts the forked end into Jacobson's organ, at the top of the mouth cavity.

01:00 It can thus detect the pheromones emitted by the mouse and easily go back to the victim.

01:07 The nose, the tongue and the mouth are the only parts of the reptile that can communicate.

01:22 The tongue and Jacobson's organ work together.

01:26 In an instant, the hunter wins, thanks to its tongue, which can smell.

01:43 [MUSIC PLAYING]