What specific pattern often seen along the spine distinguishes *Bothrops alternatus* from *B. jararaca*?
Answer
Markings that frequently form a cross shape, earning it the name *víbora de la cruz*
*Bothrops alternatus*, also known as Urutu or Yarará Grande, possesses a distinctive dorsal pattern that differentiates it morphologically from *B. jararaca*. While *B. jararaca* features variable trapezoidal markings, *B. alternatus* is noted for markings that frequently alternate along the spine in such a way that they form a recognizable cross shape. This characteristic appearance is so pronounced that it has historically led to this species being referred to as *víbora de la cruz* in certain contexts, contrasting with the more varied patterning of *B. jararaca*.
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