Today's Photo of the Day is 'Provider' submitted to the Bird in Context Assignment by Kelly Nowak.
"A cardinal family conveniently nesting outside the window gave me a wonderful opportunity to photograph their daily routine without disturbing them. Here is the male cardinal feeding the babies," says Nowak.
Photo of the Day is chosen from various OP galleries, including Assignments, Your Favorite Places and the OP Contests. Assignments have weekly winners that are featured on the OP website homepage and several images from the Assignment Gallery are featured in The Best Of Assignments section in print. To get your photos in the running, all you have to do is submit them.