Valencia Bioparc has one of the most amazing mixed species exhibits I've seen. Pelicans, pygmy hippos, drills, Nile geese, western sitatunga and northern tal...
Aren't pygmy hippos elusive rainforest animals, while pelicans live in more open wetlands? They might live in some of the same countries, but I can't imagine they would bump into another a lot.
Apparently they can both be found in swamps, although I take your point When I visited, the Pelicans seemed to be enjoying pecking at the sleeping hippo's ears, so maybe they don't get along.