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 > >