Meet the Golden Lion Tamarins of the National Zoo!

When the weather warms up these Brazilian natives take to the treetops. Fitted with radio collars and tracked by volunteers, this family of golden lion tamarins roams free on the grounds of the National Zoo. (2:04)

Latest Videos

Preview thumbnail for video'Why Babe Ruth Was the Ultimate Symbol of the Roaring '20s
Why Babe Ruth Was the Ultimate Symbol of the Roaring '20s (3:44)
Preview thumbnail for video'Here's What Bat Echolocation Sounds Like, Slowed Down
Here's What Bat Echolocation Sounds Like, Slowed Down (2:04)
Preview thumbnail for video'How the Fastest Animal on Earth Attacks Its Prey
How the Fastest Animal on Earth Attacks Its Prey (3:43)
Preview thumbnail for video'How a Giant Lazy River of Grass Became the Everglades
How a Giant Lazy River of Grass Became the Everglades (1:09)
Preview thumbnail for video'This Is the Closest Thing to a Dragon You'll Ever See
This Is the Closest Thing to a Dragon You'll Ever See (1:44)
Preview thumbnail for video'The Original Country Music
The Original Country Music (4:05)
Preview thumbnail for video'Rare Find: The $30,000 Sword George Custer Used in Battle
Rare Find: The $30,000 Sword George Custer Used in Battle (1:38)
Preview thumbnail for video'Stunning Timelapse of a Dragonfly Growing Wings
Stunning Timelapse of a Dragonfly Growing Wings (2:02)
Preview thumbnail for video'Butterflies Zigzag Wildly for a Reason
Butterflies Zigzag Wildly for a Reason (1:27)