This Once Upon A Time screencap contains
sitka spruce and picea sitchensis.
There might also be
mahogany, mahogany tree, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, betula papyrifera, and tree squirrel.
Watch a sneak peek of the Captain Hook's musical number from the Once Upon a Time musical episode event, 'The Song in Your Heart,' Season 6, Episode 20