1) ivory billed woodpecker, imperial woodpecker, Eskimo curlew
2) no idea
3) the white tailed aka yellowbilled tropicbird was the villain, the cahow or Bermuda petrel the victim
4)noisy scrubbird
5) white stork? I feel like that's the sort of European bird that could cross the Atlantic and become a local celeb!
6)20
7) Papua New Guinea
8)hummingbird
9) this could be a number of things, perhaps the Whistling Swan with the Bewick's Swan being the (Eur)Asian subspecies
10) bar tailed godwit
4/10. You're not altogether wrong on #1, although I was looking North of the Mexican border so Imperial Woodpecker wasn't on the radar.