Age Related Color Morphs of Little Blue Herons
Little Blue Herons start off their lives with white plumage, then look piebald with blue and white fathers and finally look more "blue" as adults.
Ring-billed Gull Age Progression
In February of 2011 I wrote about the age progression of Bald Eagles along with images to illustrate the ages, today I am doing the same but with Ring-billed Gulls.