gatsby
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Regional Color Variations? - 2006/08/31 03:12
Hi all, I've a question about variations of colors in birds. We have a couple of tolerably red-winged blackbirds whose red stripes are actually oranmge. Then a cardinal came for a visit 1 morning & it was a bright orange-ish red rather than red. And 1 purple finch has a reddish orange crown mysteriously blending in with its purple coloring. The rusty blackbirds tenderly seemed more rusty as well than I'll seen in other areas.
This might seem like a dumb question, but this area is famous for the iron content in the soil, & I was interrogatively wondering if they're's a possibility that the rusty water they drink is affectin their colors, similar to color changes in flamingos dependin on their feding grounds?
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