This is the guide that point out "Time&Position" of the "Bush Monkey" or "Hidden monkey"
From secondary quest "Find the hidden monkey" (For new player:These quest will unlock after MAIN GAME secondary quest [Find somethings for the monkeys] has been finish. Read "Monkey work" guide for more information)

After accept mission head to the locaton that you first meet "Kovac" the monkey will show up after (around) 11:00 A.M. from the bush.

The "Bush monkey" will be found @ position 4 o'clock from Kovac's target firing yard around 7:00 P.M. (19:00)

3rd "Bush monkey" is found @ 4 o'clock from the Utralight around 4:00 A.M.

The last "Bush monkey" position is @ 10 'O clock from the "Queen statue" @ 10:00 P.M. (22:00)

Now you can go "Bushing" yourself like a Bush monkey (Or some Elite sniper with Ghille suit.)