-------------- Forwarded Message: --------------
From: vogelfreund at comcast.net
To: "Francis Wood" <fbwood at u.washington.edu>
Subject: Re: [Tweeters] FW: The two big woodpeckers: Ivory-billed and Imperial
Date: Mon, 13 Feb 2006 06:14:57 +0000
> --------------------------------------------
> 2/12/06
>
> Let's not forget the other "Campephilus" woodpeckers in Latin America. Their
> backs are increasingly up against the wall in the disappearing old growth
> forests down there!
>
> Phil Hotlen
> Bellinghham, WA
> -------------- Original message ----------------------
> From: "Francis Wood" <fbwood at u.washington.edu>
> >
> >
> > Subject: The two big woodpeckers: Ivory-billed and Imperial
> >
> >
> >
> > The two big woodpeckers: the Ivory-billed is the biggest in North America,
> > while Mexico's Imperial is the largest in the world.
> >
> > >From Fran Wood (male),
> >
> > These two nearly-extinct woodpeckers have remarkably similar
> > histories over the past century. They were each the subject of a major
> > article in "Birder's World" magazine last year. In August the re-sighting
> > of the Ivory-billed was reviewed, and in December, the Imperial's history
> > was covered. Both species have been considered extinct, but then the
> > Ivory-billed appeared in Arkansas in the past two years. And a couple of
> > months ago on our "Tweeters" email John Spencer (via Robert Straub and Ian
> > Paulsen) reported that "Ron and Serojan Makauavid birdwatchersboth
> > professors at U.C. Riverside in the Biology Dept.are sure, absolutely sure,
> > that they saw an Imperial Woodpecker near Divisadero on the north rim of
> > Copper Canyon in Mexico." My wife Bunny and were just through the Copper
> > Canyon in December with a group of other interested birders, but no such
> > luck.
> >
> > It's interesting to see the similarities of these two big
> > woodpeckers. The Ivory-billed is the largest iin North America, and the
> > Imperial is the largest in the world (about 25% larger than the IB). The
> > ranges of the two in articles and bird books do not overlap, but their
> > problems do. Both have depended on old growth pine-oak forests for food and
> > nest trees. Extensive logging of their forest support in the southeast U.S.
> > and Mexico has devastated both populations. Both have also been subject to
> > being hunted for food, medicinal use, costume decorations, or "to get a
> > closer look".
> >
> > Both public and private funding efforts are underway in both the
> > U.S. and Mexico to protect and expand the supportive environments for each
> > of these birds.
> >
> > Unlike the Pileated, both the larger woodpeckers have white
> > over-wing areas, creating large white wing patches visible at rest over
> > folded wing tips.
> >
> > As their numbers have decreased, approaching extinction, both
> > species have been spotted with markedly decreasing frequency. Does this
> > mean that only the very wary, easily spooked individuals remain? Is this
> > why photographic documentation of either is extremely difficult? And
> > perhaps this is why the very edgy individuals, or their genetically similar
> > offspring, are the only members of each species to survive.
> >
> > It would be interesting to see how other birders perceive the
> > similar histories of these two similar giant woodpeckers.
> >
> > And, finally, there is a lot of serious questioning about
> > whether the Ivory Billed has been seen. The January '06 Auk article by
> > Jerome Jackson forwarded to tweeters by Jan Paulsen last month is a powerful
> > doubt from the author of "In Search of the Ivory-billed Woodpecker"
> > published by Smithsonian Books. This doubt was shared by the commentary
> > from a Cornell ornithologist on the NOVA program in late December, and a
> > long time colleague and extraordinary field ornithologist from Louisiana
> > State University. Both have reviewed in detail all of the audio and video
> > evidence and suggest we need to know more.
> >
> > I hope that both the Ivory-billed and Imperial survive, but
> > there are lots of doubts.
> >
> >
> > Fran Wood (male)
> >
> >
> > 412-36th Avenue, Seattle WA 98122
> >
> >
> > (206) 323-2296; <fbwood at u.washington.edu>
> >
> >
> >
> >
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