The birds of Pasvik / E. I. Khlebosolov, O. A. Makarova, O. A. Khlebosolova [et al. ; English transl. Nikita Chernetsov]. - Ryazan : Golosgubernii, 2007. - 175 с. : ил., портр.

N(S) = 27 (453) В H s - 0 , 9 0 — S '0 ,3 0 Hs .0 ,7 0 0,30 N(S) = 26 (1181) Figure 3.31. Succession and frequency o f foraging manoeuvres o f Sedge Warblers (A) and Bluethroats (B): F —flight; FI —hop; Hs —series o f hops; S —searching for prey; P - pick. N(S) is the number o f successions, in parenthesis the overall observation time (s). Numbers show the frequency o f foraging manoeuvres after the preceding ones, arrows show the direc­ tion o f hops and flights Sedge Warblers forage in the scrub together with Reed Buntings. However, m icro­ habitat use o f both species is slightly different. Sedge Warblers occur in upper, middle and lower parts o f the crowns, sometimes they descend to the base o f bushes (Fig. 3.30). The foraging behaviour o f Sedge Warblers is significantly different from that of Reed Buntings. When foraging, Sedge Warblers quickly move within the bush crowns, make hops and flights in varying directions. After a pick a Sedge Warblers usually looks 152