We analysed data collected by a volunteer-based initiative for rescuing grounded birds, in Mallaig, a village in the west of Scotland. The village is 27km away from the Isle of Rum, the second biggest colony of Manx shearwaters in the world. We investigated how moon and meteorological variables affect the number of birds that were recovered on the ground. We found that during full moon fewer birds ground in the village than during new moon; similar to effects discovered in other studies. In addition we found that strong onshore winds cause more groundings suggesting that birds may be blown towards the village and then being affected by the lights. To a lesser extent, visibility conditions also have an effect on grounding probabilities in Mallaig. Our results can improve rescue campaigns of not only Manx Shearwaters but also other species attracted to light pollution, by predicting conditions leading to an increase in the number of groundings.
More info at:
Syposz M, Gonçalves F, Carty M, Hoppitt W, Manco F (2018) Factors influencing location and number of Manx Shearwater grounding in west Scotland. Ibis, doi.org/10.1111/ibi.12594
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