Lucy Mitchell / January 2024 – vol. 117, issue 1, pp 36–39 Abstract The migration routes and wintering areas of Blackcaps Sylvia atricapilla are changing. Conventional geotagging techniques gave broad-scale data on movements but required the bird to be recaught. New nanotags, which run using the Motus network, have allowed for fine-scale tracking of small birds, including indicating the direction of departure away from Motus base-station re... This article is only available to registered users.To read more, please log in or purchase a subscription.