Observatoire des droits humains (anglais seulement)

Going with the flow: how penguins use tides to travel and hunt

(Version anglaise seulement)

par Rory Wilson, Professor of Aquatic Biology and Sustainable Aquaculture, Swansea University
Richard Michael Gunner, Postdoctoral Researcher in Wildlife Biology, Max Planck Institute of Animal Behavior

Poohsticks, the game in which Piglet and Winnie the Pooh throw sticks into the river from one side of a bridge, and then rush over to the other side to see whose stick appears first, is all about current flow. Disappointingly, neither Piglet nor Pooh mention fluid dynamics despite its pivotal importance in determining who won.

Unlike sticks, though, animals can respond to those flows. The movement of water…

Lire l'article complet