Endangered Species: Facts, Events, and Locations.

In honor of National Endangered Species Day, here are some quick facts about endangered species in the US, including the humpback whale, Black Warrior waterdog, monarch butterfly, loggerhead sea turtle, and red wolf. The monarch butterfly was recently added to the endangered species list, while the red wolf population is believed to be as low as 15-17 individuals. Conservation efforts are underway to protect these species from extinction.