It is called a calf.
you call a father whale in dad blue whale
Infant or baby whales are often called calves.
You call it a calf.
A hump-back whale
This animal is a whale too and its call a Killer Whale eat could eat a Blue Whale.
fingerling
infant
Beached Whale!!! Beached Whale!!!
Being a mammal, a female whale is a "cow".
A leopard cub
infant
a calf