Scientists estimate the male northern cardinal’s genetic mutation that makes it yellow also makes it a 1-in-10 million bird ...

For many bird lovers, the sight of a cardinal holds ... “I just love cardinals in the bright fresh snow. This beautiful male cardinal came and landed on the feeders that I put together each ...

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 ...

This specific bird lacked all of these reg pigments ... Some evidence does suggest that the redder and brighter male Northern Cardinals have both greater reproductive success and held larger ...

The birds can produce over 24 beautiful and complex tunes. Both female and male cardinals sing, but the female's song is often longer and more complex. They have a clear, whistling tone which may ...