Yes they do. The mothers are very attentive to the babies. As mammals, of course they also feed the baby milk.
A mother whale stays with its young for at least a year.
A young blue whale is called a calf.
The young of any whale species is called a calf.
Young whales are called calves (singular form is calf), no matter which kind.
A young/baby whale is called a calf
Blue whale parents care for their calves for about six to seven months. During this time, the mother nurses her calf with nutrient-rich milk, helping it gain weight and grow rapidly. After weaning, the young whale may stay with its mother for up to a year, learning vital survival skills before becoming more independent.
Yes
A calf.
there young
They don't
All of them
yes