Neat News 510 (added 2017-05-24)
Flamingos Save Energy by Balancing on one Leg
© Valdiney Pimenta [CC BY 2.0]
Flamingos have such a stable stance when standing on one leg that they need less energy this way than standing on two legs. Scientists measured this by evaluating how much they sway (in a radius of only 3.2 millimetres) and how much effort they need to remain in an equilibrium.
