A couple thought they could hear an animal in the walls of their house. It took them a while to realize that there was another source for the noise.

Howls, screeches and squeaks become somewhat of a symphony when the sun goes down in the bosque. The creatures of the night come out to hunt, eat, and contribute the ecosystem that they call home ...

Tips for spotting elusive screech owls: Listen at night and look for holes Plus: What do cardinals eat when they’re not at feeders? Why do people bird-watch in winter?

SAN DIEGO (CBS 8) - In this Zoo Day we have a special guest in studio -- a screech owl. In this video, Rick Schwartz from the San Diego Zoo tells us more about this night hunter and where you can ...

Night sounds of nature, heard even in winter with windows closed, remind us of remarkable wildlife we don't often see, but live all around us.