I WONDER - How Are Whales Grouped?

Marine mammals like whales, dolphins, and seals are well-known ocean creatures. They share traits with land mammals, such as being warm-blooded, breathing air, and nursing their young. Whales, the largest animals on Earth, are divided into toothed and baleen categories. Toothed whales, like orcas and sperm whales, have teeth for hunting, while baleen whales, like humpbacks and blue whales, use baleen plates to filter food.

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