Video: How the National Aviary trained Valentino the sloth to be camera ready

The Pittsburgh-based sloth turns 1 on Monday.

The National Aviary's sloth Valentino turns 1 on Monday.

The National Aviary's sloth Valentino turns 1 on Monday.

Jasmine Goldband / The Incline
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When Valentino the sloth arrives for an appearance, you can’t see him — but you can hear him.

If you’ve spent any time on YouTube, you probably know the sound: a high-pitched “eee!” that endears instead of annoys.

Valentino is an 11-month-old sloth who lives at the National Aviary in Pittsburgh’s North Side and serves as an educational ambassador, meeting groups of people to teach them about rainforest animals and conservation.

These encounters also give people the chance to meet a sloth, one of the Internet’s favorite cute animals, IRL. One of these meetings, between Valentino and a young sloth fan named Violet, was recently featured on “The Ellen DeGeneres Show.” (The appearance was filmed this summer.)

This made The Incline wonder — how do you train a sloth to be camera ready? Valentino and Cathy Schlott, manager of animal training for the National Aviary, took some time earlier this month to show us: