Why Take Your Dog on a Picnic: Presence of a Potential Predator (Canis lupus familiaris) Reverses the Outcome of Food Competition Between Northwestern Crows (Corvus caurinus) and Glaucous-Winged Gulls (Larus glaucescens)

Tyrrell R. E. Dunbrack; Robert L. Dunbrack

doi:10.1898/NWN09-31.1

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Tyrrell R. E. Dunbrack, Robert L. Dunbrack

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Tyrrell R. E. Dunbrack and Robert L. Dunbrack "Why Take Your Dog on a Picnic: Presence of a Potential Predator (Canis lupus familiaris) Reverses the Outcome of Food Competition Between Northwestern Crows (Corvus caurinus) and Glaucous-Winged Gulls (Larus glaucescens)," Northwestern Naturalist 91(1), 94-98, (1 March 2010). https://doi.org/10.1898/NWN09-31.1

Received: 6 October 2009; Accepted: 1 December 2009; Published: 1 March 2010

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