treecreeper

noun

• a small songbird with drab plumage and a downcurved bill, which creeps about on the trunks of trees to search for insects. Compare with creeper (sense 2).

  • a Eurasian and North American bird (Certhia, family Certhiidae, in particular the common C. familiaris). an Australasian bird (family Climacteridae and genus Climacteris).