Mammals

This report has been produced by ZSL in collaboration with WWF, IUCN and SSC. It considers for the first time the current status and trends of global vertebrates in the context of human pressures, with a particular focus on threatened, novel and evolutionary distinct species.

This review of the European bison’s (Bison bonasus) status clearly indicates that, through proper management and conservation, its present numbers and distribution have improved significantly since its extinction in the wild at the beginning of the 20th century. The Action Plan briefly summarizes the history of extinction in the wild and present status of the European bison, as well as the reasons of extinction.

The new Canid Action Plan synthesizes the current knowledge on the biology, ecology and status of all wild canid species, and outlines the conservation actions and projects needed to secure their long-term survival.

Les chimpanzés vivent à l’état sauvage uniquement en Afrique tropicale où leur population a diminué de plus de 66% au cours des trente dernières années. Ce plan d’action concerne l’une des quatre sous-espèces de chimpanzés, le chimpanzé d’Afrique occidentale, qui est l’une des deux sous-espèces les plus menacées d’extinction.

Wild chimpanzees are only found in tropical Africa, where their populations have declined by more than 66% in the last 30 years. This action plan focuses on one of the four chimpanzee subspecies, the western chimpanzee, which is one of the two subspecies most threatened with extinction.

Consistent evaluation and new recommendations for action are required of protective measures to address threats that were unrecognised or non-existent until recently. Global warming, noise pollution and reduced availability of prey are now of great concern. The all too familiar threats of accidental killing in fishing gear and exposure to toxic chemicals remain almost intractable. This Action Plan reviews threats and offers possible solutions.

Once one of the most abundant grazing animals, now only seven species remain. Equids persist in some of the harshest climates and terrains in the world, habitats which are also home to many human populations. Conservation will depend on local nomadic pastoralists participating in, and benefiting from, the conservation management of their areas.

The dugong (Dugong dugon) is the only herbivorous mammal that is strictly marine. It has a range spanning some 37 countries, including tropical and subtropical coastal and island waters. This plan presents a global overview of the status of the dugong and its management throughout its range.

Este constituye el primer libro rojo para un grupo de vertebrados del Ecuador y utiliza de manera comprensiva los nuevos criterios desarrollados por la UICN para categorizar especies amenazadas de extinción, inclusive con las últimas modificaciones aprobadas para esta novedosa metodología por parte del Consejo de la UICN a principios del 2000.