•Head pattern – extensive dark half-hood in FG
•Bill shape – long and drooped at tip in LG; shorter and straighter in FG
•White primary tips – small in LG; large in FG
•Nape – clean white in FG; gray to dusky in LG
•Eye-arcs – narrow in LG; broad in FG
•Tertials – wider white band in FG
•Legs – short in FG