Just as a guess: After Hatch Year Male, After Hatch Year Female and Hatch
Year, Unknown gender? Or it could mean something even cooler ...

On Fri, 12 Sep 1997, Burton Guttman wrote:

>
> On Fri, 12 Sep 1997, Mike Patterson wrote some lines such as:
>
> > Yellow Warbler 3 (1AHYM,1AHYF,1HYU)
> > Wilson's Warbler 1 (AHYM)
>
> and Russell Rogers used a similar notation in his note. Now look, guys,
> some of us non-banders have managed to figure out the four-letter codes,
> even if we don't use them, but this is just a bit much, don't you think?
> At least you should give us all copies of your Secret Green Hornet Decoder
> Rings.
>
> Sincerely,
> BUGU
> Burt Guttman guttmanb at elwha.evergreen.edu
> The Evergreen State College Voice: 360-866-6000, x. 6755
> Olympia, WA 98505 FAX: 360-866-6794
>
> Reunite Gondwanaland!
>
>