@zaphenath- thanks for doing my quiz. And thanks for pointing out the alphabetization problem with skua. Did you see any others?
The way I chose to approach the quiz was non-taxonomic. So you're not really looking at family divisions here. Rather I wanted a quiz that tested knowledge of the names of the birds: essentially, How many birds do you know? I completely understand that common names (particularly for warblers and sparrows) apply to different taxonomic groups. I can imagine a quiz that asks you to name all the families, but I think that would have less appeal. Please take a look at my description of what a "type" is. The whole thing is really based on language, not scientific category. I am simply compiling them by the last words in their common names.
So, you're absolutely right that redstarts should be there (and I've fixed this now). I don't know how I missed them.
My original version of this quiz did include night-herons, as well as screech-owls, storm-petrels, and rosy-finches, among others as separate answers. However, I was advised to do what I could to shorten the quiz, and I made the decision to not require these as separate entries. Instead, they are combined with herons, owls, petrels and finches, respectively (as I stated in the instructions). If you type a hyphenated name, (e.g., night-heron), you will reveal both the larger category ("heron") and a bonus answer for "night-heron". The only hyphenated bird type that could not be merged successfully with another type was "prairie-chicken" because there were no other "chickens" in the list. I know it's scientifically a grouse, but, again, this is really a linguistic quiz. They are under C because I explicitly told quiztakers that I was considering all hyphens as spaces. So a prairie-chicken became a prairie chicken (and thus had to be listed under "chicken". If I listed it under p then I'd have to put all the hyphenated types back in.
I'll agree with you about meadowlarks and nighthawks (also goldfinches and waterthrushes). But it's no crime helping users out -- and I think the quiz is pretty hard.
My selection of the species examples were systematic: they were the first 3 in Sibley's for each type, irrespective of their commonness. I honestly thought of these clues more as justifications for the category name (see! there are several of these!) rather than real clues. Maybe I should change that. I'll think about it.
Thanks.
Steven