References Continued
nDumbacher, J.P., Wako, A., Derrickson, S.R., Samuelson, A., Spande, T.F., & Daly, J.W.  (2004) Melyrid beetles (Choresine): A putative source for the batrachotoxin alkaloids found in poison-dart frogs and toxic passerine birds. Proc. Natl. Acad. Sci. USA 101, 1587-15860.
nFriend, M. & Franson, J.C.  (1999) Field Manual of Wildlife Diseases: Birds.  (USGS, Madison, WI, USA).
nGlendinning, J.I. (1993) Pitohui: How Toxic and to Whom?  Science 259, 582-583.
nMenon, G.K. & Menon, J.  (2000) Avian Epidermal Lipids: Functional Considerations and Relationship to Feathering.  Amer. Zool. 40, 540-552.
nMouritsen, K.N. (1994) Toxic Birds: defence against parasites?  Oikos 69, 357-358.
nPoulsen, B.O.  (1994) Poison Pitohui Birds: Against Predators or Ectoparasites?  Emu 94, 128-129.
nSaporito, R.A., Garraffo, H.M., Donnelly, M.A., Edwards, A.L., & Longino, J.T.  (2004) Formicine ants: An arthropod source for the pumiliotoxin alkaloids of dendrobatid poison frogs. Proc. Natl. Acad. Sci. USA 101, 8045-8050. nWeldon, P.J. (2000) Avian chemical defense: Toxic birds not of a feather. Proc. Natl. Acad. Sci. USA 97, 12948-12949.