Denver Zoo Conservation Alliance, an eighty-acre nonprofit in Denver’s City Park founded in 1896, grew from a single orphaned black bear cub into Denver’s most visited paid attraction and a major conservation institution. Early collections emphasized native animals, but the zoo became nationally influential when Bear Mountain opened in 1918 as the first U.S. zoo habitat to replace barred cages with naturalistic enclosures. Later expansion brought major new exhibits and foundations for long-term growth, while notable animals and a fatal 2007 jaguar attack also marked its history. In recent decades, it has emphasized sustainability, captive breeding, and reintroduction efforts, culminating in its 2024 renaming and expansion into Weld County.

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Denver, Colorado · USA