how long is a killer whale
Killer whales are the largest living members of the dolphin family. Males typically range from 6 to 8 metres long and weigh in excess of 6 tonnes. Females are smaller, generally ranging from 5 to 7m and weighing about 3 to 4 t. The largest male killer whale on record was 9.8 metres, weighing over 10 tonnes, while the largest female was 8.5m, weighing 7.5 t. Calves at birth weigh about 180 kilograms (400 lb) and are about 2.4 metres (7.9 ft) long.