Marshall (1942) Icterus galbula Lake Olomega / shot in woods sw end lake from high tree & given to Hildebrand who prepared a skull of it. Amblycercus holosericeus Lake Olomega found in limited numbers only at w edge of lake before coming to swamp forest or flat dry area of clear ground scrubby low trees, clumps of bushes, winding sloughs. These birds taken in brush patches under the sparse higher trees along the slough. Cassidix mexicanus Lake Olomega seen only at the town of Tierra Blanca Blanca where end civilization for this bird. None around farms where we stayed except I saw one fly high overhead toward Tierra Blanca one day.