Marking deer fences reduces capercaillie Tetrao urogallus and black grouse Tetrao tetrix collision mortality at sites in Deeside (Aberdeenshire), Strathspey (Inverness-shire) and North Perthshire, Scotland
Published source details
Baines D. & Andrew M. (2003) Marking of deer fences to reduce frequency of collisions by woodland grouse. Biological Conservation, 110, 169-176
Published source details Baines D. & Andrew M. (2003) Marking of deer fences to reduce frequency of collisions by woodland grouse. Biological Conservation, 110, 169-176
This study is summarised as evidence for the following.
Mark fences to reduce bird collision mortalityAction Link
Mark fences to reduce bird collision mortality
In a randomised, replicated and controlled study at thirteen sites in the Scottish Highlands from April 1995 to May 1997 (Baines & Andrew 2003), significantly fewer birds collided with sections of deer fence marked with orange netting (0.35 collisions/km/month) than with unmarked control sections (1.13 collisions/km/month). A total of 437 birds collided with the fences, 92% of which were gamebirds (red grouse Lagopus lagopus scoticus accounted for 42%, black grouse Tetrao tetrix 29% and western capercaillie Tetrao urogallus 20%). Collision rates in marked sections were 91% lower for black grouse and 64% lower for capercallie than in control sections. A total of 20 km of ten different fences was tested, with two 1 km stretches of each fence being randomly assigned to treatments.