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Mottled Ducks or Mallards or hybrids?


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This must be like the 10th time I'm posting this question and I'll probably ask again. No need to send me to the Tony Leukering term paper on the subject.  I've seen it. 🙂  For the first bird, iBird photo sleuth gives 82% Mottled and 16% Mallard, while Merlin goes with Mallard right away.  Taken this afternoon in Boynton Beach, Florida:

 

LHcB0me.jpg

 

3JUetrR.jpg

 

cvXXxr0.jpg

 

 

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4 minutes ago, Avery said:

Zero experience here but here’s my guesses:

1. Hybrid MALL x MODU

2. From left to right, Mottled, Mottled, Mottled, hybrid of Mallard and either AMBD or MODU

3. All Mottled

2 looks to have a MALLxMODU hybrid. The MALLxABDU I’m used to seeing are a lot darker.

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2 hours ago, Avery said:

Zero experience here but here’s my guesses:

1. Hybrid MALL x MODU

2. From left to right, Mottled, Mottled, Mottled, hybrid of Mallard and either AMBD or MODU

3. All Mottled

Why isn’t this one a mallard?

 

35EFE06B-5086-4B25-9FBD-13AEB82AE02D.jpeg

Edited by IKLland
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17 hours ago, Avery said:

Zero experience here but here’s my guesses:

1. Hybrid MALL x MODU

Okay, how did we get there?  Does this logic follow?

  • The lack of dark on the bill rules out a female of either species.
  • It's too late in the year for male Mallards to be in eclipse plumage.
  • The relatively wide white border on the speculum would rule out pure Mottled.

How'd I do?

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3 hours ago, Charlie Spencer said:

Okay, how did we get there?  Does this logic follow?

  • The lack of dark on the bill rules out a female of either species.
  • It's too late in the year for male Mallards to be in eclipse plumage.
  • The relatively wide white border on the speculum would rule out pure Mottled.

How'd I do?

I didn’t even go as far as the speculum, more just the mixed features, and as you said it’s too late for eclipse 

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9 minutes ago, Charlie Spencer said:

Huh.  With MALL, ABDU, MODU, and Mexicans (MEDU?), the speculum is what I start with!

I certainly note it for Black Duck, but I’ve never had to worry about the other two 😅

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