I often see a pair of cardinals feeding in the yard together. I've read that during their courtship the male actually feeds the female, though I've never actually witnessed this myself. As that early romance fades, the simply sweet companionship remains. These days when hormone levels are lower, I see the female eating from the tray while the male forages on the ground.
Here they are on a breakfast date, chaperoned by a baby bunny (the brownish blur above Mr. Cardinal).