In case you've been out in the swamp this spring and wondered how you could help in the research effort regarding those little frogs you've been hearing, there is an outlet for your concern:
Check out http://www.akfrogs.net/ to download a fillable form to record your frog sighting. Send it to ADFG. There you have it!
I found a whole colony of them in the low-lying area off to the side of the Yukon River bridge the other day. Pretty cool little critters.