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55

Start out at 6:04 am. Walk downstream along course of Quebrada La Deseo.

6:55 Hear what sounds like Cebus on other side of river. Hoarse, rough, single "Ooooah" Notes. But guide says that it is a kind of Cacique

Shortly afterwards, it begins to cloud up. And we can hear thunder approaching.

We walk a long distance without hearing or seeing a trace of monkey. 

Rain starts 9:05am. Comes down in torrents! 

NOTE: Guide says that howlers are always rare here. No conspicuous population fluctuations. This is good evidence that their rarity at the present time is not due to Yellow Fever. He also says that they are not hunted. The only species that are hunted here are the Woolly Monkey and the Spider Monkey (and very occasionally C. apella).

Rain continues to almost noon. And still we don't see a thing!!!

NOTE: Some local woodcutters we met said that they have seen Red Howlers gnawing on the rotten wood of a dead tree! Eating termites???

1:50 pm. Edge of low (probably flooded-Varzea) forest and more normal upper level forest. Hear a whole burst of long high pitched Whistles. Lots and lots and lots. At first, I think that it must be Saimiri. But Whistles are not quite thin and ventriloquial enough. Also mingled with a lot of sharp "Tsee" or "Tsit" Notes. Lots of series of many notes. E.G. 

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