Around seven months after being born, and already at a whopping 52 feet (16 meters) long, the calves are weaned and stop ...

By the time blue whale calves are seven months old, they are already 52 feet long and have stopped associating with their mothers. However, the high pregnancy rates of 33 to 50 percent a year ...

Around seven months after being born, and already at a whopping 52 feet (16 meters) long, the calves are weaned and stop associating with their mothers. But across various blue whale populations ...