Photo: Joel Sartore

PDN posted 7 images from National Geographic photographer Joel Sartore’s series of endangered wild animals. His photographs of these beautiful and rare animals have been collected by National Geographic into a book called Rare: Portraits of America’s Endangered Species.

If you’re an animal lover and preservationist, you’ll absolutely love Joel’s work. Pick up Rare: Portraits of America’s Endangered Species at for just $16.

RARE from Joel Sartore on Vimeo.

By the way, if you want to see a couple of more photographs not presented by PDN, check out Joel Sartore’s website.