The Ecological Significance of Tool Use in New Caledonian Crows

  title={The Ecological Significance of Tool Use in New Caledonian Crows},
  author={C. Rutz and Lucas A. Bluff and N. Reed and J. Troscianko and J. Newton and R. Inger and A. Kacelnik and S. Bearhop},
  pages={1523 - 1526}
  • C. Rutz, Lucas A. Bluff, +5 authors S. Bearhop
  • Published 2010
  • Medicine, Biology
  • Science
  • Clever Crows Understanding the adaptive significance of animal tool use requires reliable information on the foraging behavior in the wild. New Caledonian crows consume a range of foods and use sticks as tools to extract wood-boring beetle larvae from their burrows. These larvae, with their unusual diet, have a distinct isotopic signature that can be traced after consumption by the crows in the crows' feathers and blood. By comparing the stable isotope profiles of crows' tissues with those of… CONTINUE READING

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