Syd, you cannot go wrong by visiting:
1.
http://bna.birds.cornell.edu/bna/
This site features a comprehensive list of more than 720 North American species, with all of this area's Parulidae (warbler family) members present.
Yes, it costs money: $42 per year or $100 for three years.
Thumbs up. Way up.
1.
http://bna.birds.cornell.edu/bna/
This site features a comprehensive list of more than 720 North American species, with all of this area's Parulidae (warbler family) members present.
Yes, it costs money: $42 per year or $100 for three years.
Thumbs up. Way up.
2. The Warbler Guide (2012, Tom Stephenson & Scott Whittle, Princeton University Press)
Comprehensive. A-1. Look on Amazon or many blog site that review this excellent field guide.
Email me with any warbler questions, of course, as I read this guide regularly....and I'm glad to answer your warbler questions: danieledelstein@ att.net
warblerwatch.com (Feel free to see my "Warbler Tips ID Charts" at my Birding Links area at my home page.)