MIGRATORY ROUTES OF THE YELLOW-BILLED AND BLACK- 

 BILLED CUCKOOS. OLIVE-BACKED AND GRAY-CHEEKED 

 THRUSHES, BLACKBURNIAN AND BLACK-POLLWARBL- 

 'ERS, KINGFISHER, AND ROSE-BREASTED GROSBEAK 

 The distance covered ty four 9 of the species from Maska to the shores of South 

 America isabout 6ooom,and to their southernmost halt from 7000 to 85oom.i f s 

 TkrangeoftheBW,K,OT8cQTiscasttoNewfa,theBCtoPEdwapd5l,8rRGtoCape Breton!. 



