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No. Petrels are not mammals - they are seabirds. The differences between birds and mammals are:

  • Birds have feathers while mammals have fur, hair or skin
  • Birds lay eggs whilst mammals (with the exception of the monotremes) bear live young
  • Birds do not feed their young on mothers' milk like all mammals do
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10y ago
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8y ago

they have feathers.

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Q: Does a petrel have fur fins or feathers?
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