WHAT DO YOU CALL FOUR TERNS? A CIRCLE

How many species of common birds can you recognize on sight? Besides the flashy obviousities of bluejay, cardinal, hummingbird, oriole and robin, I mean? I’m not really thinking of the songbirds so much or the “little brown jobs” of field and hedge. And I’m not really thinking of the one-hit wonders of flamingo, pelican, parrot or ostrich, either, since I assume those are the ones EVERYONE knows, whether or not they’ve ever actually seen one in real life. There are an awful lot of big birds here in Sweden that I am now on familiar terms with that I had...