Dispersal of Golden EaglesAquila chrysaetosin Scotland

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Abstract
Two nestling Golden Eagles Aquila chrysaetos were radio‐tracked from fledging until the birds were unable to be located. In addition two other free flying young birds ‐ one juvenile and one sub‐adult ‐ were opportunistically caught, radio‐tagged and tracked. After fledging one nestling stayed in the home range for six months and then left, while the other stayed for four months and made excursions before leaving. The two others were tracked for one month and 21 months. These independent non‐breeders returned to particular areas at infrequent intervals, but for considerable periods of time were unable to be located. Returns of ringed juveniles both in the European Alps and Scotland show recoveries of younger birds further away from their natal areas than older ones, suggesting a tendency to return to natal areas as they approach breeding age.

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