>>4469838
The photographer, Paul Nicklen, would confuse the seal by not eating any of the penguins that the seal brought to him. But these penguins were still alive and would swim away once the seal let them go, presumably to let Nicklen eat them, which he failed to do.
>>4469841
Nicklen would let the penguins free. So out of frustration, the seal would plonk them on Nicklen’s head, to try put the penguin in the seal’s mouth.