10000km
in the ocean
swim
they swim.
PEOPLE!
cold
As far as a blue whale can swim in a year
Between 10,000 and 25,000 blue whales are believed to still swim the world's oceans.
Within moments of its birth.
Blue Whales can swim at speeds up to 20 mph!
Because it can get really light so it helps the blue whale swim up for air
Four months
Whales swim using their fins and tails.