Tigers: After a century of population decline, the number of wild tigers is growing. According to recently recorded data, around 3,890 tigers now exist in the wild. In 2010 it was only 3200.

Pandas: There has been a 17% rise in the population from 2014. It was found that 1,864 giant pandas are inhabiting the wilderness in China. They have been removed from the endangered species list.

Bald Eagles: Fish & Wildlife Service reports that there are currently 10,000 breeding pairs of bald eagles which is a huge jump from only 417 breeding pairs in 1963.

Black-Footed Ferret: They were thought to be extinct, the reintroduction of these ferrets began in 1991 and as of 2013, a total of 1200 is believed to live in the wild. However, they are still on the endangered species list.

Brown Pelican: 1,276 brown pelicans were reintroduced into Louisiana between 1968 and 1980. Now, around 11,000 nesting pairs are producing over 24,000 fledglings in Louisiana by 2007. The numbers are continuously rising.

Gray Wolf: Only 300 wolves survived in the woods of Wisconsin and Minnesota, according to a 1960 count. Now, 5,443 wolves are residing in the lower 48 states, according to a count in 2013.