Boreal Toad - Colorado Wildlife Council

It’s Not Easy Being Green

The boreal toad is the only known alpine species of toad in Colorado.

The boreal toad is a high-elevation wonder. It inhabits lakes, ponds and marshes at 7,000 to 12,000 feet in elevation — something only three other amphibian species in Colorado can survive. Once common, the boreal toad has experienced a dramatic population decline. Why? Primarily due to the deadly chytrid fungus, which can infect most amphibians. But it’s also due to habitat loss. To help the toad thrive in Colorado again, Colorado Parks and Wildlife’s (CPW) habitat restoration projects and boreal toad management plans are actively working to bring these populations back to healthy levels.  So far, over 133,000 tadpoles, toadlets and adult toads have been raised and reintroduced. CPW is also partnering with the Denver Zoo to boost the population by re-releasing hundreds of tadpoles into wetlands. This effort seeks to contribute to a self-sustaining breeding population of boreal toads in Colorado. With all these conservation efforts, the boreal toad’s future is hopping to new heights.

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