Birding/Duck Eggs

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Question
We have 8 mallard duck eggs and they look like there getting darker color.what is happening?

Answer
When you say that you "have" them, do you mean there is a nest nearby or that you purchased these eggs and are incubating them yourself?

I have never heard of mallard eggs changing color -unless that means that they've gone bad. They should hatch within 22-30 days.

Birding

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Julia Booth

Expertise

I can answer questions about bird identification (by sight or sound), behavior, distribution, population, conservation, mating, nesting, fledging and feeding. I do have some practical knowledge about foreign species, but identification skills are limited in that arena. Bear in mind that as much as I know, it's possible that at least some of you will ask a question that I am unable to answer. At which point I would direct you to wherever or whomever I thought could provide you with that information.

Experience

I have 15 years birding experience in Southern California.

Organizations
Audubon Society

Education/Credentials
My education is in art and photography -but I have a substantial portfolio of nature related work.

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