I Am a Mammal

I am a mammal. She is a mammal. He is a mammal. I have flippers, she has flippers, he has flippers. We all have a song, and we at birth were a car-length long. I am a mammal. She is a mammal. He is a mammal. I sing, she sings, he sings; we communicate this way. Our babies get fed milk from mamas one year and a day. I am a mammal. She is a mammal. He is a mammal. I swim, she swims, he swims, we swim just right. We have humpbacks, we live in the ocean, where fish see us with fright. What are we? Do you know? Can you look us up? Have you seen us? Humpback is our best clue, ‘tis true. I would look under whales, if I were you.