Once you figure out which species it is in the book, you can confirm it on the website once you get home with eBird. In my birding travels I've encountered abou

Once you figure out which species it is in the book, you can confirm it on the website once you get home with eBird. In my birding travels I've encountered about three cases where this has happened, and in all cases it's trivial to figure out what happened with eBird. I've seen over 700 species of birds btw in five countries and three continents and I've never had a problem with using a relatively recent book.