Yosemite Ranger Notes

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About This Blog

Ranger-naturalists have been interpreting the natural and cultural resources of Yosemite for park visitors for nearly a century. In this blog, some of Yosemite's park rangers share recent observations from around Yosemite.

All posts are shown below, or you can view posts by topic.

The River Changelings: Monitoring of Benthic Macroinvertebrates in the Tuolumne River

September 20, 2014 Posted by: AH - Park Ranger (White Wolf)

On June 6, 2014, a small group of Yosemite Ranger Naturalists set out to find some elusive creatures…with nets and water shoes.

White Wolf, Nature Scene, Science in the Park, AH

 

Pacific Tree Frog: Pseudacris rigilla

September 07, 2013 Posted by: CF - Park Ranger (Yosemite Valley)

Yosemite is home to many things. Our most recognizable features are towering granite walls and waterfalls, but if you take a closer look you just might be lucky enough to see some of the tiny creatures that dwell in and around them. One such creature is the Pacific tree frog.

Nature Scene, White Wolf, CF

 

Sculpture? Jewelry? Pegmatite?

September 07, 2013 Posted by: JL - Park Ranger (White Wolf)

Sometimes the planet Earth seems like an inventor constantly coming up with new ideas. On a walk near White Wolf earlier this season, I was surprised to find a jammed-together patch of milk-white rocks almost two feet long; geologists call this pegmatite.

White Wolf, Water-Rock-Wind, JL

 

Orange Peels in the Forest?

June 10, 2013 Posted by: EH - Park Ranger (Yosemite Valley)

Hiking along a trail in the White Wolf area, to my surprise I saw an orange peel on the forest floor! Did someone litter? No, it wasn’t the discarded shell from a delicious fruit we know well, but a cup-shaped fungus growing upward from the ground.

Nature Scene, White Wolf, EH