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Crows caw, whereas ____ are larger and make croaking sounds.
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beetles
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Aphids (tiny plant-eating pests) are a favorite food for ____.
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caribou
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Female ____ transfer eggs into the brood pouches of males.
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ladybugs
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Cicadas are true bugs, whereas ____ are grasshoppers.
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locusts
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Lichen is a major food source for ____.
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orcas
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Fireflies are really flying ____ that flash light to attract mates.
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puffins
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Most common ____ breed on or near Iceland.
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ravens
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Killer whales, also called ____, are black with white undersides.
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seahorses
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