Indigo Buntings — Framed PieceA male Indigo Bunting that impossible saturated blue perches below a female on a wild grape vine, the deep blue berries clustering around them, the vine's foliage caught at the turn between summer and early autumn. The male's plumage is rendered with the chromatic discipline this subject demands: Indigo Buntings are not blue in the pigment sense but in the structural sense, and the colour shifts as the angle shifts. Glen caught it in the mid turn