In answer to Donde
This and the Hoatzin were both from Casanare a place called Hato La Aurora about 3-6 hours by road, depending on the journey from Yopal (the nearest city).
This year I photographed lots of Hummingbirds, Cacique, birds of prey and many that I have not identified.
Davholla thank you for posting those Flicker links. I am envious of your trip to Hato La Aurora as that's a neck of the woods I haven't explored. Looks like you photographed a lot of great birds there. The Finca Alejandria is actually just down the road from my house. Can't help with the Llanos birds but I can add some names in the comments sections of Flicker. The CVC Buga place you mention is probably the Laguna de Sonso reserve, one of my favorite local birding places.
I would recommend going to Casanare when you have the time and money (it is not cheap).
Go here as well Aventur Eco Tours Adventure Tours Yopal Colombia
If I lived in Colombia I would plan 4 days at Hato la Aurora and 4 days in aventureecotours plus time to recover.
Thank you for those tips. Will definitely check them out. I think the above is Colombian Chachalaca. CVC stands for Corporación Autónoma Regional del Valle del Cauca. It is a powerful government entity that oversees environmental matters.