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Crows caw, whereas ____ are larger and make croaking sounds.
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beetles
|
|
Fireflies are really flying ____ that flash light to attract mates.
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ladybugs
|
|
Arctic ____ have the longest migration journeys.
|
puffins
|
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Tree ____ are slow-moving mammals of tropical rainforests.
|
ravens
|
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Female ____ transfer eggs into the brood pouches of males.
|
seahorses
|
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Most common ____ breed on or near Iceland.
|
sloths
|
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Aphids (tiny plant-eating pests) are a favorite food for ____.
|
terns
|
|
Mammoths, elephants, and ____ have large teeth called tusks.
|
walruses
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