Grizzly Bear 'Super Mom' Gives Birth To Her 17th Cub Despite Her Old Age

24-year-old Bear 399 from Grand Teton National Park, Wyoming has produced a new litter despite her age. She gave birth to four cubs. which in itself is extremely rare as bears on average only have two or three. 399 has become one of most famous grizzly parents in history and even has her own social media accounts.

Grizzly 399 is the most famous brown bear mother in the world and even has her own Facebook and Twitter accounts. She is famous at her home in the Grand Teton National Park, Wyoming, for being visible at roadsides with her family. It's thought the successful mother learned to use roads and areas popular with tourists to avoid males who can sometimes kill youngsters. The tactic has paid off for 399 who has become one of the most successful documented grizzly parents in history. And as these adorable photographs show, 399's latest brood show all the signs of making it to become new additions for the national park. Grand Teton, along with the famous Yellowstone National Park to the north, is home to around 750 grizzly bears.