little stint, and RFI: bird tours

Hi all,
I haven't made it down to see the Little Stint yet, but was browsing for ID tips, when I found this article describing the gape notch as at least being indicative, if not definitive. Love to hear anyone's thoughts on this, and the best ID marks for this little guy.

http://blog.aba.org/2017/11/open-mic-a-new-field-mark-for-differentiating-stints-and-peeps.html

Also, I have a free day in New Orleans before a conference on Nov 29th: can anyone offer me a name(s) of good birding tour guides for this area? Reply off-list please

Steve
Solana Beach

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Steve Perry
Solana Beach, CA
Source: SanDiegoRegionBirding Latest Reports