Elephant seals are the most sexually dimorphic of all mammals.
They are well insulated by their skin and blubber. Their pelage is unspotted and countershaded, with males darker than females. Food Habits Diet consists of fish, squid, eel, skates, rays, and sharks. There is a breeding and birthing season that occurs when the animals come out of the water in December to March. Gestation is for eleven months and there is presumed to be delayed implantation of 1-2 months.