M. Koford 1952 Vicugna April 10 Huaylarco 2:00 pm 138.8 2A across Stream. 1 prone. 138.3 1A by Rocky Hill. 133 5A, 1J - adults up, juv. prone, then up. To left of these 16A, 9J - adults all up, 6 juveniles down, then one of these up. 135½ 7A, 2J across Stream. Started watching these at 2:15 - adult, up, juveniles down- 1 prone, 1 on side. Recorded everything for this group for next 2½ hours. 2:22 ad. to pile. One juvenile is paler and taller than the other. Smaller has more of brown color of adults. 2:30 dark juv. up. 2:37 light juv. up as group walked away from it. 2:41 light one down as group stopped. ad. to pile. 2:42 light one up as group walked again. 2:44 " " down" " stopped ". 2:45 dark one down (both prone) 2:55 5 adults rolled. 3:00 ad. to pile, 2 ad. rolled, 1 stayed down on side (the one that just went to pile). 3:04 another adult rolled. 3:10 ad. on side up. 2 juv. up & joined group which had moved 200 ft. away from them. All moved to Stream and most or all of adults drank - juveniles didn't. 3:30 Ad. rolled. 2 juv. to pile. 3:40 dark juv. down. 2 ad. to pile. 3:42 light