Publications

This white paper evaluates every section 4(d) rule issued under the Endangered Species Act through May 2016. It also describes Defenders' position on the use of those rules and recommendations for better ways to implement the rules.

Defenders provides you with our co-sponsored newly-published book on Freshwater rays (Potamotrygonidae), where you will find exquisite details of the latest research from Carlos Lasso (Humboldt Institute from Colombia) on these magnificent and forgotten species in the mega-diverse countries of South America. Freshwater rays have been a topic of discussion in CITES since 2004 and, in 2016, Colombia and Brazil listed some species of the Family in Appendix III.

Climate change poses profound challenges to human and natural communities that are already seriously threatened by habitat loss, overexploitation of resources and pollution. Understanding what we know about climate change and its impacts, what we still need to learn and what we can do to address the impacts effectively is essential to protecting species, habitats and future generations

This bi-annual newsletter is prepared by the co-chairs of the Species Survival Network Shark Working group, Alejandra Goyenechea (Defenders of Wildlife) and Rebecca Regnery (Humane Society International). The newsletter provides a summary of the latest international and regional shark news, and an analysis of the latest actions and regulations regarding sharks.

This bi-annual newsletter is prepared by the co-chairs of the Species Survival Network Shark Working group, Alejandra Goyenechea (Defenders of Wildlife) and Rebecca Regnery (Humane Society International). The newsletter provides a summary of the latest international and regional shark news, and an analysis of the latest actions and regulations regarding sharks.

This quick guide presents the illustrations of six species and one subspecies of sea turtles found in Mexico.

The biodiversity of the Southeastern United States is threatened by the combination of the high number of imperiled species and high projected human population growth in the coming decades. Conservation planning for imperiled species requires identifying the areas where efforts are most likely to avert extinction.