TY - BOOK AU - Greenberg,Russell TI - The winter exploitation systems of bay-breasted and chestnut-sided warblers in panama T2 - University of California Publications in Zoology SN - 978-0-520-09670-7 PY - 1984/// CY - Berkeley PB - University of California Press KW - ALIMENTACIÓN KW - AVES KW - AVES- PANAMÁ INVERNADERO KW - CURRUCA KW - HABITAT N1 - Incluye apéndice. Incluye literatura citada N2 - Contiene: What is a winter exploitation system. Essential aspects of winter exploitation systems considered in this study. The warbler species. Study sites. Methods. Abundance, habitat distribution, and movements of warblers. Group size in bay-breasted and chestnut-sided barblers. Mixed species flocking. Close associates of warblers. Supplantations and chases. Spacing behavior. The behavior of warblers at antwren flocks. Winter foraging behavior. Breeding season foraging behavior ER -