Use of raptor models to reduce avian collisions with powerlines
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Published source details
Janss G.F.E., Lazo A. & Ferrer M. (1999) Use of raptor models to reduce avian collisions with powerlines. Journal of Raptor Research, 33, 154-159.
Published source details Janss G.F.E., Lazo A. & Ferrer M. (1999) Use of raptor models to reduce avian collisions with powerlines. Journal of Raptor Research, 33, 154-159.
Actions
This study is summarised as evidence for the following.
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Use raptor models to deter birds and so reduce incidental mortality Action Link |
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Use raptor models to deter birds and so reduce incidental mortality
A controlled paired sites study in two sites in Andalusia, Spain (Janss et al. 1999), found no effect of raptor models (one golden eagle Aquila chrysaetos and two Accipiter spp.) on the number of flocks crossing power lines in either migration or non-migration areas. In the migration area south of Cadiz, there was no difference in the number of flocks of birds coming within 100 m of the power lines, although there was a higher proportion of raptors in the section with the eagle model (42% of 119 records were raptors vs. 21% of 43 records) and flocks flew above 20 m more frequently in the section with the eagle model. In the non-migration area (the Coto Doñana National Park), more flocks and a higher proportion of raptors, waterfowl and corvids were seen in sections near the eagle model, compared with control sections (the Accipiter models were not tested in the park).
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