Animal Classification - Free Printable

Here is the step-by-step classification for each animal based on its biological class.

Step 1: Identify Mammals
Mammals are warm-blooded, usually have fur or hair, and feed their young with milk.
* bears: Mammal
* cats: Mammal
* cheetahs: Mammal
* dogs: Mammal
* elephants: Mammal
* foxes: Mammal
* humans: Mammal
* lions: Mammal
* monkeys: Mammal
* tigers: Mammal
* zebras: Mammal

Step 2: Identify Birds
Birds have feathers, wings, and lay hard-shelled eggs.
* cardinals: Bird
* eagles: Bird
* emus: Bird
* flamingos: Bird
* hawks: Bird
* hummingbirds: Bird
* ostriches: Bird
* owls: Bird
* penguins: Bird
* toucans: Bird

Step 3: Identify Reptiles
Reptiles are cold-blooded, have scales, and typically lay soft-shelled eggs on land.
* alligators: Reptile
* anacondas: Reptile
* chameleons: Reptile
* crocodiles: Reptile
* geckos: Reptile
* iguanas: Reptile
* lizards: Reptile
* pythons: Reptile
* snakes: Reptile
* turtles: Reptile

Step 4: Identify Amphibians
Amphibians are cold-blooded, have smooth moist skin, and usually start life in water before moving to land.
* blue poison frogs: Amphibian
* frogs: Amphibian
* newts: Amphibian
* salamanders: Amphibian
* toads: Amphibian
* tree frogs: Amphibian

Step 5: Identify Fish
Fish live in water, breathe using gills, and have fins.
* bass: Fish
* clownfish: Fish
* cod: Fish
* eel: Fish
* goldfish: Fish
* marlin: Fish
* salmon: Fish
* seahorse: Fish
* sharks: Fish
* stingrays: Fish
* tuna: Fish

Step 6: Identify Insects
Insects have six legs, three body parts (head, thorax, abdomen), and usually wings.
* ants: Insect
* bees: Insect
* beetles: Insect
* dragonflies: Insect
* flies: Insect
* moths: Insect
* wasps: Insect

Step 7: Identify Arachnids
Arachnids have eight legs and two main body parts. This group includes spiders and scorpions.
* scorpions: Arachnid
* spiders: Arachnid
* ticks: Arachnid
* mites: Arachnid

Step 8: Identify Crustaceans
Crustaceans are mostly aquatic animals with hard shells and jointed legs.
* barnacles: Crustacean
* crabs: Crustacean
* lobsters: Crustacean

Step 9: Special Case
* blindworms: These are also known as slow worms. Despite looking like snakes or worms, they are actually legless Reptiles (specifically lizards).

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Final Answer:

Column 1:
* alligators: Reptiles
* anacondas: Reptiles
* ants: Insects
* barnacles: Crustaceans
* bass: Fish
* bears: Mammals
* bees: Insects
* beetles: Insects
* blindworms: Reptiles
* blue poison frogs: Amphibians
* cardinals: Birds
* cats: Mammals
* chameleons: Reptiles
* cheetahs: Mammals
* clownfish: Fish
* cod: Fish
* crabs: Crustaceans
* crocodiles: Reptiles
* dogs: Mammals
* dragonflies: Insects
* eagles: Birds

Column 2:
* eel: Fish
* elephants: Mammals
* emus: Birds
* flamingos: Birds
* flies: Insects
* foxes: Mammals
* frogs: Amphibians
* geckos: Reptiles
* goldfish: Fish
* hawks: Birds
* humans: Mammals
* hummingbirds: Birds
* iguanas: Reptiles
* lions: Mammals
* lizards: Reptiles
* lobsters: Crustaceans
* marlin: Fish
* mites: Arachnids
* monkeys: Mammals
* moths: Insects
* newts: Amphibians

Column 3:
* ostriches: Birds
* owls: Birds
* penguins: Birds
* pythons: Reptiles
* salamanders: Amphibians
* salmon: Fish
* scorpions: Arachnids
* seahorse: Fish
* sharks: Fish
* snakes: Reptiles
* spiders: Arachnids
* stingrays: Fish
* ticks: Arachnids
* tigers: Mammals
* toads: Amphibians
* toucans: Birds
* tree frogs: Amphibians
* tuna: Fish
* turtles: Reptiles
* wasps: Insects
* zebras: Mammals