Taxacom: Galapagos

[Michael A. Ivie]

What is your point with these emails to this list?

On 7/2/2024 2:20 PM, John Grehan via Taxacom wrote:
> **External Sender**
>
> Ah! Just seen that I had already sent this out a while back, but forgot
> that. Well, at least this is an update.
>
> On Tue, Jul 2, 2024 at 4:19 PM John Grehan <calabar.john at gmail.com> wrote:
>
>> Below, June communication with R & P Grant re Galapagos finches. No
>> response (not surprisingly due to previous lack of response). This is a
>> world where alternatives do not exist.
>>
>> John Grehan <calabar.john at gmail.com>
>> prgrant at princeton.edu rgrant at princeton.edu
>>
>> Thu, Jun 6, 12:33 PM
>> to rgrant, prgrant
>>
>> Dear colleagues,
>>
>> I noticed in your ms "From Microcosm to Macrocosm: Adaptive Radiation of
>> Darwin’s Finches"  the following assertion: "At least 18 species evolved
>> from a common ancestor (Fig. 1) in the relatively short time of one to two
>> million years (Barker et al., 2015; Lamichhaney et al., 2015):"
>>
>> While I acknowledge that this is your preferred evolutionary model, as you
>> know, there is alternative biogeographic evidence published in support of a
>> much older origin for these and other biota of the Galapagos - as you would
>> know from the copy of Heads & Grehan (2021) sent to you as a courtesy. But
>> while you may believe in a particular model, you present it as a statement
>> of fact rather than a preference. This is misleading as it gives the
>> impression that no scientific alternative exists. Surely, in the interests
>> of science and open exploration, the readership needs to know the context
>> of your belief. I would suggest as an open and honest declaration, that
>> your statement be modified to:  "At least 18 species evolved from a common
>> ancestor (Fig. 1) that we believe occured in a relatively short time of one
>> to two million years (Barker et al., 2015; Lamichhaney et al., 2015),
>> although older origins have been proposed from biogeographic evidence
>> (Heads & Grehan 2021):" Surely that is not too much to ask?
>>
>> Regards,
>>
>> John Grehan
>>
>>
>>
>> --
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>>
>
> --
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> Nurturing nuance while assailing ambiguity for about 37 years, 1987-2024.
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>
-- 
__________________________________________________

Michael A. Ivie, Ph.D., F.R.E.S.

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