• Rainbow over Half Dome

    Yosemite

    National Park California

There are park alerts in effect.
hide Alerts »
  • Road Closures Due to El Portal Fire

    The Big Oak Flat Road between Crane Flat and the El Portal Road is temporarily closed. There is no access to Yosemite Valley via the Big Oak Flat Road or Highway 120. Tioga Road is open and accessible via Big Oak Flat and Tioga Pass Entrances. More »

  • Campground Closures Due to Fire

    Crane Flat, Bridalveil Creek, and Yosemite Creek Campgrounds are temporarily closed. More »

  • Yosemite National Park is Open

    Yosemite Valley, Glacier Point, and Wawona/Mariposa Grove areas are open and accessible via Highways 140 and 41. Tioga Road is not accessible via Highways 140 and 41 due to a fire.

Yosemite Ranger Notes

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.

Bird Banding Bonanza!

July 26, 2013 Posted by: JR - MAPS Avian Technician

It's been a hot, busy summer so far during this year's field season of bird banding in Yosemite. Banding occurs at six stations clustered on the west slope of Yosemite, which are each operated once every ten days as part of the Monitoring Avian Productivity and Survivorship (MAPS) program. Data are collected at over 300 MAPS stations across the U.S. and Canada every summer between May and August, and scientists and land managers use these data to look at demographic trends in songbird populations both locally and continent-wide.

 

Did You Know?

American black bear

Black bears in Yosemite are active both day and night. Most bears that rely on natural food sources are active during the day. However, those that get food from people are often active at night, when they can quietly sneak around and grab unattended food. More...