Order: Sloths

A sloth climbing along a tree branch in the Tropical Rainforest

Linnaeus’s Two-toed Sloths are expert climbers. When you visit the Tropical Rainforest, you may catch Wookiee hanging upside down high in the canopy, or moving slowly along branches and vines. They have two claws on their hands and three claws on their feet, all measuring about 4 inches in length, that help them to hang….

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In The News

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Best of the World 2026 | National Geographic

Steel mills once shaped outsiders’ whole impressions of Pittsburgh, but today the city increasingly defines itself by embracing the venerable cultural institutions that industrial prosperity helped build.

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Fun fall events at the National Aviary | Pittsburgh Today Live

Hear about all of the National Aviary fun happening this fall!

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National Aviary holds early celebration for its sloth’s Halloween ‘boo day’ | WPXI

The Aviary’s Linnaeus’s Two-toed Sloth, Valentino, was born on Halloween. But since the facility is closed on that day, the aviary celebrated his 10th “boo day” early.

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Pittsburgh’s Regional Asset District issues record preliminary budget | 90.5 WESA

In all, RAD proposes to fund 107 organizations of all sizes, from the Pittsburgh Zoo & Aquarium, the National Aviary, Pittsburgh Symphony and Heinz History Center to small dance and theater troupes.

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Pittsburgh conservation planting seeds for visitors and investment | Capital Analytics Associates

Pittsburgh’s conservation institutions are a growing part of the Commonwealth’s outdoor recreation economy. At the National Aviary, Executive Director Cheryl Tracy says the institution is “just getting started,” despite nearly 75 years of history.

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