[Leps-l] NYT: tracking monarchs in real time!!

[Taylor Jr, Orley R]

While there are many surprises in the data, the pathways of the 4 monarchs in this graphic fit with what we have learned from the MW tagging. All things considered, there is remarkable convergence toward the latter third of these tracks.


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Chip Taylor

Founding Director,

Monarch Watch

University of Kansas

chip at ku.edu

From: Leps-l <leps-l-bounces at mailman.yale.edu> on behalf of Ernest Williams <ewilliam at hamilton.edu>
Date: Friday, November 21, 2025 at 2:31 PM
To: Mike Quinn <entomike at gmail.com>
Cc: leps-l at mailman.yale.edu <leps-l at mailman.yale.edu>
Subject: Re: [Leps-l] NYT: tracking monarchs in real time!!

Note that the scientists working with the CTT tags plan to submit a scientific article with their current results, so they aren't yet releasing all the details (based on my conversation with one of the principals). The New York Times article gave a good summary with really a lot of details. Not everything is open now; more will come.
Ernest

On Fri, Nov 21, 2025 at 1:36 PM Mike Quinn <entomike at gmail.com<mailto:entomike at gmail.com>> wrote:
The routes these three eastern monarchs take are *most* remarkable and unexpected, at least to me.

Paul, I briefly poked around on their app, but can't seem to find the motherload of migratory tracks, please advise if you're able to.

Thanks, Mike

[NYT migration routes 2025-11-21 .jpg]


On Thu, Nov 20, 2025 at 9:20 PM Paul Cherubini <monarch at saber.net<mailto:monarch at saber.net>> wrote:
The tracking is showing eastern USA fall migrant monarchs are NOT flying
solely to small, pinpoint like areas of Mexico as has been previously widely
believed, but are spread out over a fairly wide area as is the case with the
overwintering monarchs along the California coast:

[broad.jpg]

On Nov 19, 2025, at 4:52 PM, Mike Quinn <entomike at gmail.com<mailto:entomike at gmail.com>> wrote:

Nov. 17, 2025

https://www.nytimes.com/2025/11/17/science/monarch-butterfly-migration-tracking-sensor.html?unlocked_article_code=1.2k8.rudt.Q2DM79qkiMGd&smid=nytcore-ios-share

gift article


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