Gruar, D, Campbell, L, Gruar, D, Campbell, L, Gruar, D, Campbell, L, Campbell, L & Gruar, D / December 2004 – vol. 97, issue 12–666 Plunge-diving by gannets Morus is one of the most spectacular examples of specialist feeding by birds. Dives may commence from 30 m above, and reach depths of 30 m below, the water surface. To improve our understanding of the biomechanics of plunge-diving, RopertCoudert and his colleagues studied free-flying Cape Gannets M. capensis from three islands off South Africa. Birds trapped at or near the... This article is only available to subscribed users.To read more, please log in or purchase a subscription.