Hanken, James 1975 Journal Green Turtle Station, sea level, Tortuguero, Limón Province, Costa Rica 18 July The last few days have comprised been spent in usual tiger fashion: turtle morning and night and eat + sleep the rest of the time. We three managed to do a canoe excursion up Benjamin Creek between 4:30-6:00 PM on 15 July. A three-toed sloth was seen high in a tree along Rio Tortuguero N of Benjamin Creek, and several critters were seen along Benjamin Creek. They were not absolutely identified: they appeared to have to have to look like a tiger catletum, Tigrisoma mexicanum, but this species is recorded as rare along the Caribbean by Sued. Several great tinamos were heard calling at dusk, as were several pairs of duetting worms. The afternoon of 16 July the three of us visited the site along Rio Penitencia 8-9 mi. by boat P of Tortuguero which last year had a least-killed lemon robery. Daron Beiert had reported going there earlier this year and finding no birds. However, we found the robery as active as this time last year, with at least twenty adult birds and several nests with eggs visible. Apparently, the summer breeding season