Let's all hope Kristen Bell hasn't seen this video yet, otherwise her head probably exploded like a balloon overstuffed with adorableness. Until watching this video, I didn't know that sloths made cut chirping noises — I just thought they crawled along in silent, stately contempt for a world incapable of slowing its frenetic pace to enjoy the simpler things in life...like monkey bars.

via Buzzfeed