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The largest birds are ____. Their eggs can weigh 4 lbs each.
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flamingos
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Ostriches, emus, rheas, kiwis, and ____ are flightless birds.
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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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Most common ____ breed on or near Iceland.
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ostriches
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Born gray, ____ become pink after eating lots of shrimp.
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penguins
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Aphids (tiny plant-eating pests) are a favorite food for ____.
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puffins
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Mammoths, elephants, and ____ have large teeth called tusks.
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terns
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Arctic ____ have the longest migration journeys.
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walruses
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