This visual shows some of the data from the Grinnell resurvey. It shows a contraction in elevation for the presence of the golden mantled ground squirrel and pika.
These tree identification cards include information to identify a tree, learn how the tree may be used, and an interesting fact about that species. Trees included could allow you to use this set at BRC or in Yosemite Valley.
Cards for the Hibernate Active Dormant activity. These are also great photographs of Yosemite mammals to use for mammal identification, web of life activities, and more.
Designed for the beginner, these teaching cards have images of climbing gear, a portaledge, free climbing, aid climbing, and free soloing. Some of the cards are designed to be printed with a photo on one side, and the explanation on the back.