Which North American bird is commonly cited as the only bird known to enter true hibernation?
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- Easy Easy difficulty.
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Which order includes many classic mammal hibernators such as marmots, ground squirrels, and dormice?
Answer
Rodentia
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The torpor-prone monito del monte covers its nest with what material?
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moss
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Alpine marmot hibernation can start as early as which month?
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October
- Intermediate Intermediate difficulty.
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Adult female Arctic ground squirrels begin winter hibernation as early as what month?
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early August
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The common poorwill spends much of winter inactive while concealed in what?
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piles of rocks
- Intermediate Intermediate difficulty.
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During torpor in the fat-tailed dwarf lemur, which sleep phase has been observed periodically?
Answer
REM sleep