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Sorting animals
Vertebrates (animals with backbones) are sorted into five main groups.
The groups are: fish, amphibians, reptiles, birds and mammals.
Write your answers in the boxes under the animals.

1 These animals are all vertebrates. Which group does each animal belong to?
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goldfish | sparrow | mouse |
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frog | snake | |
2 Complete this table by checking the correct boxes to describe each group.
The column for fish has been filled in for you.

Fish | Amphibians | Reptiles | Birds | Mammals | |
Cold-blooded |
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Warm-blooded | |||||
Have moist skin | |||||
Have scales |
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Have feathers | |||||
Have fur or hair | |||||
Breathe through gills |
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Breathe through lungs | |||||
Lay eggs |
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Give birth to live young |