Alouattinae alouatta (Howler monkey, X1X2Y1Y2): Steinberg et al. (2014)
Alouattinae alouatta (Howler monkey)
X1X2Y1Y2
https://gyazo.com/fdaf3aa2449943afe2dcab5946a7d59d
https://gyazo.com/7404f73eed2a70bff2a08f2287f9c6ad
https://gyazo.com/a39fc8573041f989c654bef0221ca071