Sound recordings for the paper: Flight call identification of White, Pied and Moroccan Wagtails by Magnus Robb, Arnoud B van den Berg & The Sound Approach, DB 32:4 (251-253).

Figure 1

White Wagtail Motacilla alba, "chichik" calls while migrating, Hanko, Uusimaa, Finland, 21 September 2006 (Dick Forsman/The Sound Approach);

Pied Wagtail M yarrellii, "chichik" calls while migrating, Durlston Country Park, Dorset, England, 8 October 2008 (Magnus Robb/The Sound Approach)

Moroccan Wagtail M subpersonata, "chichik" calls, Taliouine, Central Anti-Atlas, Morocco, 31 March 2002 (Arnoud B van den Berg/The Sound Approach)

Figure 2

Pied Wagtail Motacilla yarrellii, rasping calls while migrating, Durlston Country Park, Dorset, England, 9 October 2008 (Magnus Robb/The Sound Approach