A new study from North Carolina State University examines immune system diversity in the critically endangered Wyoming toad and finds that genetic bottlenecks could impact …

One of the most contentious questions in evolutionary biology is, how did the Amazon become so rich in species? A new study focused on birds …

While frog and salamander declines worldwide have made scientists outspoken about the need to preserve amphibian genetic diversity, two University of California, Berkeley, biologists emphasize …

North America’s freshwater mussels are both impressively diverse and highly imperiled. Nearly 300 species occur in the United States and Canada, and up to 40 …