Spy-hopping

Orcas (Orcinus orca), also called Killer Whales, sometimes spy-hop — hold their heads and upper bodies out
of the water to look for prey. This Orca bides his time as a lone
Adélie penguin (in the foreground) hides behind research equipment on the
McMurdo Sound sea ice in Antarctica. 

(Photo by Mak Saito, Woods Hole Oceanographic Institution)