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


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