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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Maclure Lake and Maclure Glacier in Yosemite National Park. Photo: NPS

In honor of Earth Science Week, we're celebrating our favorite geologic park with a few insights from Yosemite's park geologist.

Yazmin, a 2016 Student Conservation Association intern, hard at work in one of the sequoia survey plots.

A snapshot of three years of research and restoration in two of Yosemite's giant sequoia groves.

A California spotted owl on a branch in Yosemite. Photo: Kurt Ongman

With support from our donors, Yosemite scientists are taking a close look at how Strix occidentalis occidentalis, the California spotted owl, is responding to fire-driven changes in its habitat. See what questions they're asking, and learn how to spot this feathered forest-dweller.

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!