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Taxacom: iguana interview

John Grehan calabar.john at gmail.com
Sun May 4 23:37:22 CDT 2025 

Michael - I was referring to the assertion " explained how iguana lineages
from South America dispersed so easily throughout the Caribbean & The
Bahamas"

On Mon, May 5, 2025 at 12:21?AM Ivie, Michael <mivie at montana.edu> wrote:

> John, I thought you were a biogeographer?  San Salvador is northeast of
> Cuba, that is not in the Caribbean Sea!  Geez!
>
> __________________________________________________
> Michael A. Ivie, Ph.D., F.R.E.S.
>
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>
> ------------------------------
> *From:* Taxacom <taxacom-bounces at lists.ku.edu> on behalf of John Grehan
> via Taxacom <taxacom at lists.ku.edu>
> *Sent:* Sunday, May 4, 2025 6:32 PM
> *To:* Geoff Read <gread at actrix.gen.nz>
> *Cc:* taxacom <taxacom at mailman.nhm.ku.edu>
> *Subject:* Re: Taxacom: iguana interview
>
> **External Sender**
>
> " explained how iguana lineages from South America dispersed so easily
> throughout the Caribbean & The Bahamas, with some reaching small islands
> surrounded by deep-ocean environment"
>
> It does not. It just shows that iguanas in the Caribbean can establish
> multi island metapopulations. If to the contrary, interested in what
> purports to be evidence.
>
> On Sun, May 4, 2025 at 7:42?PM Geoff Read via Taxacom <
> taxacom at lists.ku.edu>
> wrote:
>
> > Missed that the article was actually from five years ago in 2020, but the
> > lead author has just reposted it on social media for its relevance to the
> > Fiji rafting paper as that paper "explained how iguana lineages from
> South
> > America dispersed so easily throughout the Caribbean & The Bahamas, with
> > some reaching small islands surrounded by deep-ocean environments."
> >
> > --
> > Geoffrey B. Read, Ph.D.
> > Wellington, NEW ZEALAND
> > gread at actrix.gen.nz
> >
> >
> >
> > >---- Original Message ----
> > >From: Geoff Read via Taxacom <taxacom at lists.ku.edu>
> > >To: "John Grehan" <calabar.john at gmail.com>
> > >Cc: "taxacom" <taxacom at mailman.nhm.ku.edu>
> > >Sent: Mon, May 5, 2025, 11:20 AM
> > >Subject: Re: Taxacom: iguana interview
> > >
> > >For further recent news on iguana dispersal - a Bahamas trace fossil
> > placed as an iguana nest burrow:
> > >
> > >
> >
> https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftheconversation.com%2Fwe-discovered-a-115-000-year-old-iguana-nest-fossil-in-the-bahamas-151270&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812703950%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=xnbzcwj2WhdgBeDO9btVsmgTEcX0MMzqex5D3gu%2BhNk%3D&reserved=0
> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftheconversation.com%2Fwe-discovered-a-115-000-year-old-iguana-nest-fossil-in-the-bahamas-151270&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812719506%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=me8Yu%2B%2Bq5%2BOeNjU1Qgrvbv3p7Ro9mG0F0HtrIcrr0Fk%3D&reserved=0>
> > >
> https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoi.org%2F10.1371%2Fjournal.pone.0242935&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812728779%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=v%2FwT9sFoMChzqu24A0d9Q0SRiiDLp2RN%2B5BGOAxFiGs%3D&reserved=0
> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoi.org%2F10.1371%2Fjournal.pone.0242935&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812738379%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=EIBwO67Cx9xKWUKuvr9Vj2d%2FQ44CIufJb9v3fXRLIHo%3D&reserved=0>
> > >
> > >"This fossil iguana burrow also establishes a minimum time for iguanas
> on
> > San Salvador during the Middle-Late Pleistocene, which can be applied to
> > better understanding the biogeographic dispersal of Cyclura throughout
> The
> > Bahamas during the Pleistocene and Holocene"
> > >
> > >They discuss alternative explanations. Always possible with trace
> fossils.
> > >
> > >--
> > >Geoffrey B. Read, Ph.D.
> > >Wellington, NEW ZEALAND
> > >gread at actrix.gen.nz
> > >
> > >
> > >
> > >>---- Original Message ----
> > >>From: John Grehan via Taxacom <taxacom at lists.ku.edu>
> > >>To: "taxacom" <taxacom at mailman.nhm.ku.edu>
> > >>Sent: Mon, May 5, 2025, 5:47 AM
> > >>Subject: Re: Taxacom: igunana interview
> > >>
> > >>ps -  Note the interviewers reference to it sounding like a Disney
> Movie
> > -
> > >>hint of cognitive dissonance that on one hand the interviewer has to
> > >>swallow this stuff given the 'authority' of the source while on the
> other
> > >>some deeper common sense says it sounds pretty absurd.
> > >>
> > >>On Sun, May 4, 2025 at 1:05?PM John Grehan <calabar.john at gmail.com>
> > wrote:
> > >>
> > >>> Link below. Chance dispersal believers will love it. The content is
> all
> > >>> about belief, not scientific methodology at all.
> > >>>
> > >>> Ancient Iguanas Floated 5,000 Miles Across The Pacific
> > >>> <
> >
> https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.sciencefriday.com%2Fsegments%2Figuanas-cross-the-pacific-to-fiji%2F%23segment-transcript&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812747307%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=eyZdRER4veM2aO%2F8X%2BmpqgLFv0n%2FE%2BR67b7JSwrCs0w%3D&reserved=0
> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.sciencefriday.com%2Fsegments%2Figuanas-cross-the-pacific-to-fiji%2F%23segment-transcript&data%7C02%7Ctaxacom%40lists.ku.edu%7C9e37a1c38b4b42a62d1608dd8b8e9c02%7C3c176536afe643f5b96636feabbe3c1a%7C0%7C0%7C638820166812756370%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=lMqkX149ungarlzvTEfLnBGPea42avW05uba%2BjGcCfg%3D&reserved=0>
> > >
> > >>>
> > >>> --
> > >>>
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