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Penguins, emus, rheas, kiwis, and ____ are flightless birds.
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caribou
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Lichen is a major food source for ____.
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lizards
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To escape from predators, ____ can release black ink.
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octopuses
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Female ____ transfer eggs into the brood pouches of males.
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orcas
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Chameleons, geckos, and iguanas are types of ____.
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ostriches
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Killer whales, also called ____, are black with white undersides.
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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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Crows caw, whereas ____ are larger and make croaking sounds.
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seahorses
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