firstname.lastname@example.org Posted September 15, 2020 Share Posted September 15, 2020 I had a HY female Common Yellowthroat and a AHY male Common Yellowthroat identified on here earlier today. I'm confused over the terminology of Hatch Year and After Hatch Year.. Just as I still struggle with juvenile vs. immature birds, now I have this to contend with. I "kind of" understand "First Summer" birds. In that they won't be considered adults until their 2nd Summer (I think). Take 1st Summer Orchard Orioles for example. Wouldn't they still be considered immature? Isn't a HY bird considered an immature bird? Quote Link to comment Share on other sites More sharing options...
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