https://warblerwatch.blogspot.com/2016/05/warbler-guy-tell-me-if-migrating.html
WarblerWatch: Warbler Guy, tell me if migrating Kirtland's Warbler have returned to breeding...
Jasper (in S. Carolina), given Kirtland's Warbler typically annually nests ONLY in Michigan and Wisconsin in the USA (and in one spot within...
https://warblerwatch.blogspot.com/2014/12/warbler-guy-is-there-good-warbler-app.html
WarblerWatch: Warbler Guy, is there a good warbler app? An app featuring warbler photos?
Yes, Avrial (in Miami): I recommend the new warbler app from Princeton University Press. The one I like is complementary to The Warbler ...
a goodwarblerguy