A full account of the literature
All publications ordered per species and translated into English
Callicebus.nl is under reconstruction. All data is being reviewed and new publications, photos, maps and other information is being added constantly.
Please contact me if you have information to share.
Pictures of wild titi monkeys
A large collection of pictures for comparisons
Genetics
The latest data on genetic studies
Distribution maps
Old maps from publications and new maps based on up-to-date information