National Wildlife Federation: Hiking Mt. Washburn can give you a close up look at resident bighorn sheep, as well as countless other wildlife sightings. It's a fantastic hike to take for wildlife viewing.
National Wildlife Federation: A hike along the Gaylor Lakes Trail offers possible encounters with some wonderful critters: the pika and the annual spring love songs of the Yosemite toad and Pacific chorus frogs. -Beth Pratt (NWF)