Fig. 3: Map of habitat and elevation at contact zones. | Heredity

Fig. 3: Map of habitat and elevation at contact zones.

From: Do habitat and elevation promote hybridization during secondary contact between three genetically distinct groups of warbling vireo (Vireo gilvus)?

Fig. 3

Distribution of hybrids in the Great Plains contact zone across (A) elevational and (B) habitat gradients, and hybrids in the Rocky Mountain contact zone across (C) elevational and (D) habitat gradients. Triangles denote putative hybrids between eastern and western genetic lineages (A, B), while circles denote putative hybrids between the two western genetic lineages (C, D).

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