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1 September 2008 Use of Lethal Control to Reduce Habituation to Blank Rounds by Scavenging Birds
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Abstract

Scavenging bird deterrence frequently fails due to habituation. We demonstrated such habituation by gulls and corvids to blank rounds used in a dawn-to-dusk regime at a landfill site in southern England. We then combined blank rounds with live rounds and shot birds whenever they attempted to land. Gull numbers declined significantly despite only 1.9% of the population being shot. Corvid numbers returned to precontrol levels despite 52.7% of the population being shot. We suggest that shooting reduces gull habituation to blank rounds but is ineffective at reducing habituation by corvids.

Andrew T. Baxter and John R. Allan "Use of Lethal Control to Reduce Habituation to Blank Rounds by Scavenging Birds," Journal of Wildlife Management 72(7), 1653-1657, (1 September 2008). https://doi.org/10.2193/2007-458
Published: 1 September 2008
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