they go underwater
Adult gray whales can stay underwater for approximately 10 - 15 minutes.
sperm whales can stay underwater for 90 minutes
they use underwater echo sound location!
i think yes
Yes, black whales do have blow holes. They keep them closed when they are underwater.
40 minutes
Orca whales make a odd sort of clicking noise underwater.
no
No, sorry there isn't.
yes they can
mechanical