http://www.panda.org/about_wwf/what_we_do/species/our_solutions/endangered_species/index.cfm
Thoroughly depressing list of beautiful and important creatures that are at a critical level on the WWF’s endangered list. Orangutans, tigers and whales of all kinds are easily worth my monthly donation amount. I urge everyone to read up on their favourites, then click the How You Can Help link.