The now-viral eagles, Jackie and Shadow, welcomed their chicks with an audience of thousands who tuned in to their live nest camera.

San Bernardino flying squirrels nicknamed Fiona and Fast Freddie have made regular cameos on Jackie and Shadow's nest cam feed. A spinoff, anyone?

Whether you're hiking through ancient forests or enjoying a scenic drive ... with ever-changing light and shadows creating ...

Forest canopies intercept some precipitation ... Penumbral effect - The shadow-edge effect whereby light that penetrates through openings creates an increased light level at the edge (e.g ...