The first thing I learned about whales is that they are mammals.
Humpback whales are large. They are around 39 to 52 feet long and weigh about 79,000 pounds.
Two humpback whales, mother and daughter were apparently injured by a boat keel and they swam to the Sacramento River by Sherman Island.
Under water in a protected area.
Humpback whales are famous for their singing. They sing a song for about 20 minutes at a time. The whale experts don’t know why they sing. I’d say because they want to sing.
This map shows the range of the Humpback whales. By, maplab, Wikimedia Commons.
This next picture is by, Ranier J. Wagner, German Wikipedia.