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1 March 2011 Increased Carnivory in Finnish Red Fox Females — Adaptation to a New Competitor?
Suvi Viranta, Kaarina Kauhala
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Abstract

Carnivore teeth, especially the carnassials, are subjects to selection in the presence of dietary competition. We compared several craniodental characters in the Finnish foxes before and after arrival of an invasive species, the raccoon dog. The female foxes displayed increased adaptation to carnivory, whereas we found no significant change in the male foxes after the arrival of the raccoon dog. We suggest that the presence of a new competitor may be driving the Finnish female foxes towards more carnivorous diet.

© Finnish Zoological and Botanical Publishing Board 2011
Suvi Viranta and Kaarina Kauhala "Increased Carnivory in Finnish Red Fox Females — Adaptation to a New Competitor?," Annales Zoologici Fennici 48(1), 17-28, (1 March 2011). https://doi.org/10.5735/086.048.0102
Received: 15 June 2010; Accepted: 1 November 2010; Published: 1 March 2011
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