Territorial Behavior of Short-eared Owls, Asio flammeus, at more than 1000 km North of their Current Breeding Range in Northeastern Canada: Evidence of Range Expansion?

Authors

  • Jean-François Therrien Département de Biologie and Centre d'Études Nordiques, Université Laval, Québec G1V 0A6

DOI:

https://doi.org/10.22621/cfn.v124i1.1032

Keywords:

Short-eared Owl, Asio flammeus, territorial behavior, range expansion

Abstract

A pair of Short-eared Owls was observed throughout the summer of 2008 showing territorial behavior more than 1000 km north of their known breeding range in north-eastern Canada. These observations might be related to high lemming densities and/or climate change occurring in the Arctic.

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