length

weight

teeth

tail

eat

can

sperm whales

(抹香鲸)

15 meters

35

tons

(吨)

50

8

metres

squid,

lobsters  sharks

dive into the deep cold water

killer whales

(虎鲸)

8

meters

3600 kilograms

40

6

metres

fish,

birds

seals

whales

jump out of the water to eat birds