Cover from ‘Energetic synchrony throughout the non-breeding season in common guillemots from four colonies’ by Buckingham et al. The cover features a group of common guillemots, photographed by Andrew Carter during fieldwork on the Treshnish Isles, Scotland, which is one of the seabird colonies featured in this study. The Treshnish Isles Auk Ringing Group have been undertaking fieldwork on guillemots and other seabirds on this archipelago for over 50 years.

