Rare: portraits of America's endangered species

Foreword / by Joel Sartore

Last one / by Verlyn Klinkenborg

[more than] 10,000 : living population more than 10,000 individuals

10,000 - 1,000 : living population between 10,000 and 1,000 individuals

[less than] 1,000 : living population fewer than 1,000 individuals

? : living population numbers unknown

On the rise : living population numbers increasing

Taking action

List of species

Taking the photos

About the authors.