Translocations are a common conservation and management strategy, but despite their popularity, translocations are a high‐cost endeavor with a history of failures. It is therefore imperative to maximize their success by learning from our collective experience. The Global Re‐introduction Perspectives Series is a collection of conservation translocation case studies, generated by the IUCN’s Conservation Translocation Specialist Group, and presented in a structured format with an emphasis on practical information. All 293 animal translocation case studies to date include a section in which the authors list the difficulties they have faced during the translocation project, with over 1200 difficulties described so far. We reviewed all difficulties reported in the series to get insights into the common perceived difficulties faced by wildlife managers during animal translocations. The most reported‐upon problems had to do with animal behavior, followed by monitoring difficulties, lack of funding, quality of release habitat, lack of baseline knowledge and lack of public support. We scrutinized each of these difficulties to highlight future research directions that are most likely to improve translocation success, and put a special emphasis on difficulties stemming from animal behavior, and on solutions that may alleviate these problems and improve conservation translocation success world‐wide.
Animal welfare and conservation breeding have overlapping and compatible goals that are occasionally divergent. Efforts to improve enclosures, provide enriching experiences, and address behavioral and physical needs further the causes of animal welfare in all zoo settings. However, by mitigating stress, increasing behavioral competence, and enhancing reproduction, health, and survival, conservation breeding programs must also focus on preparing animals for release into the wild. Therefore, conservation breeding facilities must strike a balance of promoting high welfare, while minimizing the effects of captivity to increase population sustainability. As part of the Hawaii Endangered Bird Conservation Program, San Diego Zoo Global operates two captive breeding facilities that house a number of endangered Hawaiian bird species. At our facilities we aim to increase captive animal welfare through husbandry, nutrition, behavior-based enrichment, and integrated veterinary practices. These efforts help foster a captive environment that promotes the development of species-typical behaviors. By using the “Opportunities to Thrive” guiding principles, we outline an outcome-based welfare strategy, and detail some of the related management inputs, such as transitioning to parental rearing, and conducting veterinary exams remotely. Throughout we highlight our evidence-based approach for evaluating our practices, by monitoring welfare and the effectiveness of our inputs. Additionally we focus on some of the unique challenges associated with improving welfare in conservation breeding facilitates and outline concrete future steps for improving and evaluating welfare outcomes that also meet conservation goals.
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