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Mammoths, elephants, and ____ have large teeth called tusks.
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krill
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Crows caw, whereas ____ are larger and make croaking sounds.
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octopuses
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Penguins, emus, rheas, kiwis, and ____ are flightless birds.
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ostriches
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To escape from predators, ____ can release black ink.
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puffins
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Most common ____ breed on or near Iceland.
|
ravens
|
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Tree ____ are slow-moving mammals of tropical rainforests.
|
seahorses
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Female ____ transfer eggs into the brood pouches of males.
|
sloths
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|
Blue whales eat small shrimp-like creatures called ____.
|
walruses
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