A-Wet the bird’s beak and place it near a glass of water so it can bob up and down into the water. The red liquid will rise and fall, forcing the bird to re-place its beak in the water.

A commercially available drinking bird toy – the generator version definitely has a few more bits and bobs added Frank Vincentz/C.C. 3.0 View 2 Images ...

Observed by his keeper and some visitors, Kevin repeatedly picks up a plastic lizard toy and throws it at a piece of rock on the ground. Why This Captive Bird Uses a Toy to Practice Wild Survival ...

In this case the surfaces were fixed to the pivoting bird and the stationary stand. The big challenge for the researchers was to minimize the friction at the interface, while still generating ...