Spotted during a paddle up Añangu Creek during a visit to the Napo Wildlife Center.
Tiputini Biodiversity Station
Dawn at Los Amigos
Titi monkey calling in the morning.
Habitat: scrub forest bordering town.
The original is a video, not a photo, but you must go to flickr to listen to it.
The titis, or titi monkeys, are the New World monkeys of the genus Callicebus. They are the only extant members of the Callicebinae subfamily, which also contains the extinct genera Xenothrix, Antillothrix, Paralouatta, Carlocebus, Lagonimico, and possibly also Tremacebus.