A rock climber high on the iconic granite walls of Yosemite Valley. River rafters floating the Colorado River as it runs through the Grand Canyon. A solar powered radio antenna array attached to the spillway of a former dam in Olympic National Park. What do these things have in common? They are all parts of exciting new ways USGS and National Park Service scientists have been studying bats in national parks.

Sometimes, you see amazing wildlife during your national park adventure, but you just don’t have the right lens on your camera, or maybe your telephoto lens (or setting) doesn’t far enough reach for a sharp, close-up shot. Go ahead and capture that wildlife image anyway! You’ll have a beautiful landscape shot of the environment in which that wildlife dwells.

There will never be any worries about running out of interesting National Park System tidbits for quizzes and trivia, so here is Quiz and Trivia #65. Test your knowledge to see how much you really know. You might surprise yourself, impress friends, family, and co-workers, and maybe even learn something new!

After receiving nearly 7,000 comments during the first public comment period on ways to improve access and the visitor experience at Yosemite National Park, the National Park Service is staging another comment period to gather more input.