The two groups can be animals that have wings and don't have wings.
The wing group:
butterfly, the bird(can't read name), cockroach, ladybug
Can actually fly, cannot fly should be the other two groups
Everything can fly but the cockroach
The non-wing group:
mouse, snake, starfish, snail, alligator, fish, crab
The two other groups should be: can be in water for extended periods of time, cannot be in water.
Everything but the mouse can be in water.
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