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- From: darnel@sciborg.uwaterloo.ca (Edward Darnel)
- Subject: Re: Toxic Bird?
- Message-ID: <C1FIrt.9sr@watserv2.uwaterloo.ca>
- Sender: news@watserv2.uwaterloo.ca
- Organization: University of Waterloo
- References: <C1F5Kp.H5I@zoo.toronto.edu>
- Date: Mon, 25 Jan 1993 21:38:16 GMT
- Lines: 47
-
- In article <C1F5Kp.H5I@zoo.toronto.edu> tony@zoo.toronto.edu (Anthony L. Lang) writes:
- >In article: <1jvkhaINN6ja@usenet.INS.CWRU.Edu>
- > br105@cleveland.Freenet.Edu (Jeffrey A. Del Col) writes:
- >
- >>In the well known ornithology journal THE WEEKLY READER (My son's
- >>in the third grade) I found an article about a toxic bird, the
- >>Hooded Pitohui. This is a New Guinea sp. found to have toxic
- >>feathers and skin. Can anyone provide more information about
- >>this? The article mentions a John Dumbacher as the scientist who
- >>discovered the bird's toxicity when he licked some cuts on his
- >>hands after handling a pitohui. Has he published a report of this
- >>anywhere?
- >
- >Dumbacher, J.P., B.M. Beehler, T.F. Spande, H.M. Garaffo and J.W.
- > Daly, 1992. Homobatrachotoxin in the genus Pitohui: Chemical
- > Defense in Birds? Science 258: 799-801.
- >
- >This is the original paper. It also says that native New Guineans
- >already knew of the genus' toxic properties and call it "trash
- >bird". The scientists found the toxin (an alkaloid) in the
- >following species (in decreasing order of toxicity: HOODED PITOHUI
- >(Pitohui dichrous), VARIABLE PITOHUI (P. kirhocephalus), RUSTY
- >PITOHUI (P. ferrrugineus). Concentrations of the toxin were
- >highest in skin and feathers. They speculated that this property
- >evolved for chemical defense. Like other toxic species of animals,
- >these species have bright, contrasting colours.
- >
- >>Does anyone know of any other species of bird with such
- >>properties?
- >
- >There are no other toxic birds. Homobatrachotoxin is only known
- >from poison dart frogs (Phyllobates spp.).
- >I wonder if the bird was named for the sound humans make when
- >they spit it out?
- >--
- >
- >Anthony Lang
- >Dept. of Zoology,
- >University of Toronto
-
-
- That is exactly how they were named (believe it or not)!!
-
-
- jmsimms@chemical.watstar.uwaterloo.ca
- AKA Jonathan Simms
-
-