Avian malaria has devastated native Hawaiian birds called honeycreepers. And now, climate change is allowing the mosquitoes that carry the disease to spread into the last mountain refuges of highly endangered honeycreepers on the island of Kauai. However, there’s hope that a new tool could eradicate the disease. Researchers are raising mosquitoes in the lab infected with Wolbachia, a bacterium that makes them infertile. When these males mate with wild female mosquitos, they fail to reproduce. While they wait for the mosquito solution to become available, biologists are carrying out last-ditch efforts to keep the species alive in captivity.

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