Noun rock wren has 2 senses
  1. rock wren, Xenicus gilviventris - short-tailed bird resembling a wren
    --1 is a kind of New Zealand wren
    --1 is a member of Xenicus, genus Xenicus
  2. rock wren, Salpinctes obsoletus - wren inhabiting badlands and mesa country of western United States and Mexico
    --2 is a kind of wren, jenny wren
    --2 is a member of Salpinctes, genus Salpinctes
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