Dolphin societies are surprisingly complex.
Researchers reviewed a number of studies into turn-taking behavior in the animal kingdom.
Researchers suggest that the older females may be seducing the males with pheromone signals.
Researchers found that related beluga whales returned to the same locations every year and that this behavior was passed down from generation to generation, likely from mother to calf.
Researchers recorded an incredible variety of freeform songs over a four year period.
Clashes like this are on the rise.
A video of the attack was posted by a friend who filmed the grisly scene at Cape Tribulation in Queensland.
Male bottlenose dolphins have been seen mounting one another and touching genitals.
The eight-foot screen is complete with dolphin friendly apps and a keyboard.