Date: 9/7/26 5:10 pm From: Holly Bern via groups.io <htbern1...> Subject: Re: [EBB-Sightings] Interesting bird at my feeder
“Piebald" leucism can result in the absence of color in patches. This can occur when the melanocytes fail to develop, multiply or migrate properly during embryonic development. The red in the bird’s face is from its diet, not melanin.
> On Sep 7, 2026, at 4:14 PM, Jim Roethe via groups.io <JimRoethe...> wrote:
>
> Leucistic or Albino?
>
> This is the second year I’ve seen this bird.
>
>
> Jim Roethe
> Orinda
> <IMG_2501b.jpg>
>
