Date: 11/21/20 5:48 am
From: Jim Felley <jdfelley...>
Subject: [MDBirding] Re: Black Duck question
I would say the duck most likely has Mallard genes, but to me 'hybrid'
would mean one parent a Black Duck and the other a Mallard, and that
determination would need a genetic test.

Jim
Jim Felley
Gaithersburg, MD

On Friday, November 20, 2020 at 12:51:41 PM UTC-5 Pat Valdata, Elkton wrote:

> If an American Black Duck has an iridescent blue speculum instead of a
> purple one, is it likely to be a hybrid with a Mallard?
>
> Pat Valdata
> Crisfield, MD
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
>

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