|Not all of the snakes I found were harmless. Rainforest Hognose Pitviper|
Much of what I write is based on my own experience, but I also rely on the research of others.
Whitfield SM, Bell KE, Philippi T, Sasa M, Bolaños F, Chaves G, Savage JM, & Donnelly MA (2007). Amphibian and reptile declines over 35 years at La Selva, Costa Rica. Proceedings of the National Academy of Sciences of the United States of America, 104 (20), 8352-6 PMID: 17449638