Box and whisker plots showing relative size of supratympanic crests for adult Rhinella margaritifera (upper Amazon) and R. alata (Chocó-Panama). The central bar indicates the median, the interquartile range is shown by the box length, and the range is shown by the short horizontal lines (whiskers). STCH = supratympanic crest height, HL = head length. The yellow cross is the holotype of R. alata.

  
 
  Part of: dos Santos SP, Ibáñez R, Ron SR (2015) Systematics of the Rhinella margaritifera complex (Anura, Bufonidae) from western Ecuador and Panama with insights in the biogeography of Rhinella alata. ZooKeys 501: 109-145. https://doi.org/10.3897/zookeys.501.8604