Killer whales typically reproduce every five years ... harmful to the species’ future because it diminishes the population’s ability for reproduction. “Assuming (orcas) live a full lifespan, you’re ...

After the attack, which took place off the coast of Honduras, one of the orcas charged “directly” at the anglers’ boat.

Killer whales are among five whale and dolphin species ... In evolutionary terms, stopping reproduction half-way through life is a biological puzzle. Most species reproduce until they die ...

Grandmother killer whales boost the survival rates of their ... "It can explain the benefits of females living a long time after reproduction," he said. "From an evolutionary standpoint, they ...

After consulting with federal authorities, rescuers decided the most humane course of action was to euthanize the animal.