The Yosemite Conservancy blog. An insider's look at what's happening in the park — and how our donors are making a difference.

Field Notes

The Yosemite Conservancy blog.
An insider's look at what's happening in the park — and how our donors are making a difference.

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A Sierra Nevada bighorn ram, seen through a telescope near Washburn Lake in Yosemite National Park. Photo: © Yosemite Conservancy

Last year, Sierra Nevada bighorn sheep returned to Yosemite's Cathedral Range for the first time in more than a century. Last weekend, our project coordinator joined a park biologist to see if they could spot the herd. What did they find? Read on!

A participant examines a Mariposa lily during the BloomBlitz in Yosemite National Park on May 22, 2016. Photo: Yosemite Conservancy.

Our thanks go out to the more than 50 volunteers who donated their time as citizen botanists during the Yosemite BloomBlitz, one of 100+ bioblitzes that took place across the country to celebrate a century of science and stewardship in our national parks.

A graduate student collects environmental DNA samples to survey for fish at a restored lake in 2014, as part of a project to save the Sierra Nevada yellow-legged frog in Yosemite. Photo: Jessica Thompson

What does science look like in a "living lab"? Take a tour of some of the tools that help researchers study and protect Yosemite's plants, animals and natural resources. 

This 1890s image shows Mrs. George Fiske exploring Yosemite with a cat balanced on the tip of her ski. Photo: NPS

What is winter ecology? How do Yosemite's plants and animals survive the cold and snow? And what's that creature on Mrs. Fiske's ski? Read on!