Re: Gray Catbird continues in Oakland


Joe Morlan
 

On Wed, 20 Oct 2010 11:11:17 -0700 (GMT-07:00), Kay Loughman
<kayloughman@...> wrote:

Would either of those berries be toxic to catbirds?
Pyracantha contains the following toxins:

Hydrogen cyanide
Maytansine

Either or both of these may act as a mild neurotoxin in birds if consumed
in large amounts. Claims that fermented berries cause alcohol
"drunkenness" are unsubstantiated.

http://mason.gmu.edu/~mtadayon/firethorn.html
--
Joseph Morlan, Pacifica, CA jmorlan (at) ccsf.edu
SF Birding Classes start Nov 2 http://fog.ccsf.edu/jmorlan/
Western Field Ornithologists http://www.westernfieldornithologists.org/

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