Greene, H. 1987 16 June (continued) around the Camino Circular. Saw a fresh foam nest (Leptodactylus pentadactylus ?) in the swamp, a few frogs calling, and a fresh pile of plucked feathers at the E end of the boardwalk w/ no associated snakes. Two types - small w/ white base & red-brown or orangish outer part, and small finolved orange - brown, white, ad gray at base ad white base w/ bleach outer half, marked by two white spots. Perhaps prey of a hawk? Very hot and humid day - at least to me! Thinking about Lochesis as I walked today: maybe they mostly die from parasites, at least the big ones. What is the effect of prey specialization on parasitism? Someone brought in a small Micrurus nigricatus at lunch (222+28mm, 3.7g, no food); it thrashed, bit readily, and prolapsed the cloaca when seized, but coiled the tail only w/ repeated on the head and body. Bob Margiins (U. Illinois) brought in a Bothrops nasutus from 1400 LOC, found this morning (282+29mm, 17.3g, gravid - several small ova, no food). Gollin Orions (Penn State U.) drove me to ~650 CES, where this AM he found a B. nasutus, which we located ~1330 (320+28, 20.5g, no food, possible enlarged ova). The little viper was in a