All posts by Liza Gross

Liza Gross is an independent journalist based in Northern California. Her work has appeared in Discover, The New York Times, The Washington Post, The Nation and many other outlets. Her book, The Science Writers’ Investigative Reporting Handbook, was published in June.

Will Climate Change Drive a New Species of Crossbill to Extinction?

Most songbirds head south for the winter, as food supplies disappear, returning to breed in the spring, when booming insect populations can satisfy clamoring broods. Not crossbills. This colorful finch, which inhabits coniferous forests around the world, breeds most anytime thanks to a highly specialized beak that can extract seeds from pine cones throughout the year. But, for a newly discovered crossbill species, this custom-made tool may prove useless if climate change claims its favorite food.