Katina, a 34-year-old killer whale, swims with her newborn at SeaWorld Orlando in Orlando, Fla. Katina gave birth Saturday night to her seventh calf. (Associated Press)

Katina, a 34-year-old killer whale, swims with her newborn at SeaWorld Orlando in Orlando, Fla. Katina gave birth Saturday night to her seventh calf. (Associated Press)