In 1927, he was hired at Yosemite National Park as assistant park naturalist.

Guides include a Sierra Club representative; park naturalists will also lead discussions on the ecology of the area.

The name was suggested by a park naturalist in 1935 but not awarded until 1937 when Jackson, who was still living gave his approval.

Various nature societies have helped park naturalists develop the new compilation, which is designed to assist novice and experienced birders alike.

Ansel F. Hall became the first park naturalist in 1921 and served in that role for two years.

After his appointment as park naturalist in 1929, he was finally able to explore the mountains themselves.

Tree rings indicate that the fires are the worst in four centuries, park naturalists say.

Susan is a homemaker and currently works as a park naturalist.

Contact the park naturalist for current information on where and when to observe the variety of wildlife.

"It was the most beautiful spring and summer around here in years," said Greg Kroll, a park naturalist.