Adequate habituation of free-ranging subjects is essential for any field study. but is generally unsystematic. Here. attempts to habituate three titi monkey (Callicebus coimbrai Kobayashi & Langguth. https://www.roneverhart.com/HGST-Ultrastar-7K6000-HUS726040ALS214-4TB-7-2K-RPM-SAS-12Gb-s-512n-128MB-3-5-SE-Hard-Drive/