Individual traits such as body mass can serve as early warning signals of changes in the fitness prospects of animal populations facing environmental impacts. Here, taking advantage of a 19?year...

To predict the threat of biological invasions to native species, it is critical to understand how increasing abundance of invasive alien species affects native populations and communities. The form...

Large avian scavengers are among the most vulnerable vertebrates, and many of their populations have declined severely in recent decades. To help mitigate this marked reduction in abundance,...

Understanding how density dependence modifies demographic parameters in long-lived vertebrates is a challenge for ecologists. A number of studies have highlighted the importance of habitat...