pbjosh
missing the neotropics
Skipping House Sparrow / Rock Pigeon or any other exotics, what species have you seen in the most countries?
Some obvious contenders are Peregrine Falcon, Osprey, Great Egret, Western Cattle Egret (I don’t consider it an exotic in the Americas, it arrived on its own), Ruddy Turnstone, Common Tern (and perhaps Royal, Caspian, or Gull-billed), Wilson’s Storm-Petrel, and I’m sure others will come up with more good candidates.
For me it’s Great Egret (I think).
Some obvious contenders are Peregrine Falcon, Osprey, Great Egret, Western Cattle Egret (I don’t consider it an exotic in the Americas, it arrived on its own), Ruddy Turnstone, Common Tern (and perhaps Royal, Caspian, or Gull-billed), Wilson’s Storm-Petrel, and I’m sure others will come up with more good candidates.
For me it’s Great Egret (I think).