Tool-use in Charadrii: Active Bait-Fishing by a Herring Gull

@inproceedings{Henry2006TooluseIC,
  title={Tool-use in Charadrii: Active Bait-Fishing by a Herring Gull},
  author={Pierre-Yves Henry and J.-C. Aznar},
  year={2006}
}
Abstract An adult Herring Gull (Larus argentatus) was observed baiting Goldfish (Carassius auratus) with pieces of bread. Active bait-fishing is mostly known from herons, and a similar behavior was reported in captivity for a Lesser Black-backed Gull (L. fuscus). To our knowledge, we report the first record of bait-fishing, and second record of complex tool-use, for the superorder Charadrii under natural conditions. 

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