The vibrant red plumage of the male cardinals is not only eye ... Moreover, the bird’s striking appearance and distinctive ...

Scientists estimate the male northern cardinal’s genetic mutation that makes it yellow also makes it a 1-in-10 million bird. The abnormally colored songbird is now a part of the couple’s daily ...

The birds can produce over 24 beautiful and complex tunes. Both female and male cardinals sing ... who they stick with for life. Certain sounds can warn off predators. The best part is ...