Variation in mating calls of Callosciurus species. A Principal Component Analysis highlighting mating call variation. B Univariate plot showing the number of pulses per call. C Univariate plot of pulse intervals, in seconds. D Univariate plot of frequency modulation, in Hz. Different taxa are represented by distinct symbols.

 
 
  Part of: Hinckley A, Maldonado JE, Tamura N, Leonard JA, Hawkins MTR (2024) Lost in synonymy: Integrative species delimitation reveals two unrecognized species of Southern Asian tree squirrels (Rodentia: Sciuridae: Callosciurinae). Vertebrate Zoology 74: 683-707. https://doi.org/10.3897/vz.74.e133467