It’s hard to resist a northern cardinal bird. They’re lively, bright and amazing songsters. Amid the browns, blues and greens of the natural world, northern cardinals are showstoppers. And in winter’s ...

Source: fir0002, via Wikimedia Commons. Traditionally, birdsong has been viewed as a male trait, and this bias has dominated research on the behavior. “For a long time, scientists thought that female ...

It's always a thrill when wild birds visit your garden. Cardinals are one of the easiest to recognize when you catch a glimpse of one perched outside your window. The males' bright red plumage makes ...