Sylvain Reyt and Sébastien Roques / January 2022 – vol. 115, issue 1, pp.1–60, pp 10–27 Abstract The Common Swift Apus apus breeds across much of Europe and Asia with two subspecies recognised. The Asian-breeding subspecies A. a. pekinensis has been suspected to occur as a vagrant to Europe but, to date, there are no accepted records. Although pekinensis is similar to the European-breeding nominate race, a number of features can be reliably use... This article is only available to registered users.To read more, please log in or purchase a subscription.