Connecticut Warbler vs. Mourning Warbler vs. Nashville Warbler

[tgra...@gmail.com]

For folks not on Facebook,

 

Some have begun to question if this bird is actually a Connecticut Warbler.  Other possibilities put forward have been Mourning Warbler or Nashville Warbler.  I’m interested in any thoughts.  Sorry for getting pedantic but I’m going to go through a bunch characters:

 

• The eyering is rather prominent, suggesting Connecticut or Nashville, but does a look a little incomplete, which could suggest Mourning.  Possibly even MacGrillivray’s. 
• The throat is pale gray, suggesting Connecticut or Mourning.  Even pale female first year Nashville’s aren’t that gray.  The gray bib seems not as long down the breast as Connecticut or Mourning though. 
• Undertail coverts are short, which should eliminate Connecticut. 
• Overall structure to me appears more like a Nashville, with short bill, short body, compared to longer-bodied and longer-beaked Connecticut and Mourning Warblers. 

Mourning and MacGrillivray’s hybridize so that is also a possibility. 

 

I’ll submit the photos to the Advanced ID group on Facebook as soon as they add me. 

 

I’ve attached the cropped and original photos.  These are the only 2 photos I got.  The photos were taken Saturday morning at Jester Park, Polk Co. 

 

I’ve never had so much fun with photos!  They show almost all the characters but its still a mystery, lol. 

 

Tyler Grant

Ames, Story

[Tyler Grant]

Yes, it's a Mourning Warbler.  Apparently mourning warbler juveniles and females sometimes have incomplete or even complete eye-rings.  The undertail coverts rule out Connecticut Warbler.  

On Thu, Sep 1, 2016 at 7:38 PM, Dennis Thompson <cndt...@gmail.com> wrote:

Hi, Tyler.  Has there been any more feedback on your bird?

 

Thanks,

Denny Thompson

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