Elkins, N / April 1997 – vol. 90, issue 4, pp 148–149 On 8th April 1992, while visiting Fes, Morocco, we observed many Alpine Swifts Apus melba feeding very low over the city, some foraging only 3 m above the ground and between the buildings. Many were evidently in poor condition; three were picked up from the ground, exhausted, and a small number were found dead along the city walls. The roosting behaviour of these swifts was noteworthy. Very large ... This article is only available to registered users.To read more, please log in or purchase a subscription.