Hey Ruth,
Yes, but they metabolize the foods they eat and formulate the pigments. The
paper that accompanies these photos is very interesting and explains much
about this mutation and how it affects the metabolic activity to end up with
a different color.
Linda
On Sun, Feb 6, 2011 at 3:40 PM,
Cindy and all, I doubt this is a mutation. Cardinals get their red color from their food, and maybe this bird just didn't get the right stuff.RuthRockville Centre, NYFeb 6, 2011 01:03:43 AM, catbird...@yahoo.com wrote:Hi, even though this bird was not found in NYS, I thought it was unusual enough