Alejandro Borda

I found this in wikipedia must be them Psarocolius decumanus but yes only up to Panama and in Mexico its the Montezuma Oropendola the ones Lauren has seen. So in Costa Rica maybe the montezuma? Not sure.
Mochilero means backpacker. Mochila=backpack.

Hi Gilma! You should come to Colombia, I have seen there nests in other places but in the Amazon we saw these amazing trees full of nests. There are many. In Colombian or at least in the colombian Amazon they call them Mochileros.

Gracias Ava!

Listo Larry quedo black bellied whistling duck

Got it Ashley thanks for the id.

Ok, so Lesse Kiskadee it is

Thanks Leuba for the web reference and Ava for the category correction.

Hi Ashley and Scott. The picture I took it was actually right above a pond and near a river, in a place where te weather is average 33 celsius. Ive read about both Great and Lesser and I actually found in wikipedia a specific mention of a study of a Great in Colombia. So it seems to be a Great. Thank you both!

Thank you LaurenZarate! Interesting link. I will do some investigation on the family Tachinidae, see if we ca id it!

Thanks sintija.valucka!