C. zonatura 17 Barrancada Neltlac, Veracruz \ May 11 being absent. Once a lone bird gave this sound while perched high in a tree near tent in a fully ex- posed position (#2253 - a \female). This location and the first are also given by a pair of birds calling in unison. 2 - Note - a single, simple 'chit' or 'chet' - very frequently heard - it has the quality of the thrush's piping calls. 3 - 'Cha-chet' - loud, rasping - possibly a morning call. Very frequent. 4 - y [[]] [[]] - pair dueting; repeat this over & over. 5 - [[ ]] [[ ]] [, etc] - pair dueting - repeated. 6. [[ ]]] - cha-cha-chit - given repeatedly - sounds excited.