... RECURVIROSTRA . a . Scapulars and tips of greater wing - coverts and secondaries white ; longer tertial and tail pale gray ; head and neck cinnamomeous in summer plumage ; bill only ... Recurvirostra Recurvirostra americana Gmelin.
... Recurvirostra Americana , Wils . Amer . Orn . , vol . vii . p . 126 . RECURVIROSTRA AMERICANA , Bonap . Syn . , p . 394 . RECURVIROSTRA AMERICANA , American Avocet , Swains . and Rich . F. Bor . Amer . , vol . ii . p . 375 . AMERICAN ...
... Recurvirostra Americana , Wils . Amer . Orn . , vol . vii . p . 126 . RECURVIROSTRA AMERICANA , Bonap . Syn . , p . 394 . RECURVIROSTRA AMERICANA , American Avocet , Swains . and Rich . F. Bor . Amer . , vol . ii . p . 375 . AMERICAN ...