Cardinals are also known as redbirds, but not every red bird is a cardinal. Check out some other birds that look like cardinals.

The Arizona Cardinals are in a make or break season with one Kyler Murray, could this be his final year as the red birds quarterback?

The bluebird feeds mainly on insects and other invertebrates (such as moths, worms, flies, ants, etc.), but they will search for berries, especially in winter. You will often see them perched on wires ...

The homeowner who first spotted the new yellow cardinal requested that her identity not be disclosed in this story to protect the bird, and her property, from unwanted attention.

Genetic mutation causing a northern cardinal to be yellow is a 1-in-10 million bird.

The rare pink and white cardinal is the product of a condition that removes some pigment in fur and feathers but leaves others.

Photos of A.I.–generated birds like the “Santa cardinal” are all over the internet and social media.

Birds are some of the brightest and most colorful animals on Earth. The blues, reds, greens, purples and yellows of the avian world are rivaled, among vertebrates, only by the brilliant colors and ...

Readers want to know why they keep seeing bald cardinals, and if it's OK to feed corn chips to crows.