--Existing methods for holding passetines after capture and before handling were unsatisfactory for introducing captured Nashville Warblers (Vermivora ruficapilla) into longterm captivity. Significantly (P = 0.02) more warblers (90/98) survived confinement by a new technique described herein than by previously used methods (43/54). The new technique combined three factors that may have contribu...

ABSTRACT The jaguar is the largest feline in Americas and face of threat extinction reduction natural areas, keeping species captivity may be important for its conservation. This condition can lead to a well-being, especially due spatial limitation lack environmental stimulus. In recent decades, techniques have been sought minimize negative impacts captivity, with an increase use enrichment ope...