Home / Environment / Crater Lake's Newts Vanishing: Zoo Races to Save Species
Crater Lake's Newts Vanishing: Zoo Races to Save Species
4 Sep
Summary
- Invasive crayfish are decimating unique Mazama newt populations.
- Oregon Zoo is breeding Mazama newts to reintroduce them.
- Federal protection is being considered for the endangered newt subspecies.
The Mazama newt, a unique subspecies found only in Crater Lake, is facing extinction due to invasive signal crayfish. These nonnative crustaceans are aggressively consuming newts, snails, and other native species, unraveling the lake's delicate ecosystem. Scientists have found zero newts at traditional survey sites this year, a dire warning sign for the species.
In response, the Oregon Zoo in Portland has begun a crucial breeding program. This summer, the first Mazama newt eggs hatched under human care, marking a significant milestone. Researchers are meticulously studying the hatchlings' development, diet, and social behaviors, gathering vital information for the first time.
Efforts are underway to prepare for potential releases next summer into protected pools on Wizard Island. Simultaneously, the U.S. Fish and Wildlife Service is expected to decide by October whether to list the Mazama newt under the Endangered Species Act, a designation that could bolster conservation funding and support.
This breeding initiative aims to safeguard the newts while scientists seek long-term solutions to manage the invasive crayfish population. The successful hatching of Mazama newts offers a glimmer of hope for the future of Crater Lake's unique biodiversity.
