Killer whales mate in the summer with several females, producing one offspring at a time, if mating was successful; the pregnant female becomes a male's mate. Studies show that killer whale groups are kind and caring, with males and females staying in their groups for life. Killer whales communicate by sending out sonar that bounce off prey and other objects and whose echoes allow whales to locate each other. They warn each other with rapid-fire clicks that sound like rasps and screams.…
