Pre- and Postcopulatory Traits of Salvator Male Lizards in Allopatry and Sympatry

Figure 1

Relationship between testes investment and muscle investment for (a) Salvator merianae in allopatry, (b) S. rufescens in allopatry, (c) S. merianae in sympatry, and (d) S. rufescens in sympatry.

(a)

(b)

(c)

(d)