🐟 Fish, bird or mammal?

The answers, and why

1. What kind of animal is the blue whale? Mammal. It's a mammal: hair or fur, and babies that drink milk.
2. What kind of animal is the emperor penguin? Bird. It's a bird: feathers, wings and eggs.
3. What kind of animal is the little brown bat? Mammal. It's a mammal: hair or fur, and babies that drink milk.
4. What kind of animal is the great white shark? Fish. It's a fish: gills, fins, and life in water.
5. What kind of animal is the giant Pacific octopus? No backbone. It has no backbone at all.
6. What kind of animal is the axolotl? Amphibian. It's a amphibian: start life in water, often live on land.
7. What kind of animal is the green sea turtle? Reptile. It's a reptile: dry, scaly skin; most lay eggs.
8. What kind of animal is the bottlenose dolphin? Mammal. It's a mammal: hair or fur, and babies that drink milk.