From eyes the size of a dinner plate to 360-degree vision, these animals boast extraordinarily efficient ways of seeing. Meet the creatures with the most crafty, strange and sophisticated eyes in the ...

Raptors such as eagles, hawks and falcons have a reputation for having great vision, and that reputation is well-earned.

It also makes sense in terms of a general trend among the carnivores: there's no relationship between relative brain size and a tendency toward forming social groups among these animals.