That is great, Bill. 

The bird apps don't seem to have the CONW call notes. I found that this site has a lot of xeno-canto recordings of the song, the song variations, and the call notes. I located the CONW that Ronnie Clark found this spring by having listened to the alternate songs. I have yet to hear the chip, but it is distinctive.

www.birdingbuddies.com/bird/connecticut_warbler/songs

Sent from my iPad

> On Sep 15, 2016, at 9:44 AM, Bill Whan <[log in to unmask]> wrote:
> 
> I happened across this nice collection of various hints for finding
> Connecticut warblers, and found they reminded me of some of the things
> I've learned over the years and occasionally remember. Most field guides
> just don't have the room to mention these sorts of inklings, and they
> are not foolproof of course, but experiences like these make up the
> inklings that veterans acquire over the years...
> Bill Whan
> Columbus
> 
> https://pelagicaddict.wordpress.com/2015/09/12/hudson-county-big-year-update-91215/
> 
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