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. 2012 Oct 31;7(10):e48705. doi: 10.1371/journal.pone.0048705

Figure 1. Plumage polymorphism in the white-throated sparrow.

Figure 1

In both sexes, the white-striped morph (WS; left) has alternating black and white crown stripes, brighter yellow lores, and a clearer white throat patch. The tan-striped morph (TS; right) has alternating brown and tan crown stripes, duller lores, and dark bars within a duller throat patch. Photos by Christopher Gurguis.