Golden Eagle Breeding Survey Skye and Raasay 2012

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01st August 2012


2012 continued the downward trend of recent years with the poorest breeding season for Skye's Golden Eagles since 1984. Only 7 young have fledged from 6 successful nests. Whilst the number of range holding pairs remains fairly constant, the numbers of pairs attempting to breed has fallen markedly. The long very wet winter was probably a major factor in birds starting the season in poor condition. However, the weather having been dry throughout the breeding season, could not account for the high number of failed breeding attempts. Live prey could have been part of the problem as at several notable locations, rabbits were at very low numbers.

The competition with White-tailed Eagles for nest sites and prey has to be considered a significant factor. At the start of the White-tailed eagle reintroduction programme it was genuinely accepted that it would lead to a decline in Golden Eagle numbers in the west. No figures were put on this at the time. It would therefore be informative to see a chart similar to the one below for White-tailed Eagles on Skye. It would also be interesting to see similar charts for Mull where good data is collected for both species, and where White-tailed Eagle productivity now significantly outstrips Golden Eagle.

Ken Crane &Kate Nellist