[MadMax, the Grinning Reaper]

I hope you didn’t use “Sky and Telescope” for these answers.

Just joking. You got a lot of the Southern Hemisphere sky which I have never seen. I’ll give you some slack on Cygnus (Deneb shines!) Swans are largely freshwater/brackish water birds

Thanks for the help.

[Verginius Rufus]

No, used The World Almanac.

"Virginian geese are all swans." (John Adams to Benjamin Rush, 1807)