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Peter T Fretwell

@ptfretwell.bsky.social

59 Following403 Followers

Scientist at British Antarctic Survey, Cambridge and author. Interest include Science, nature, cartography, Polar regions and satellite imagery/ remote sensing.

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@aretsch.bsky.socialOct 7, 2026, 11:10 PMReposted by @ptfretwell.bsky.social

🐧Phoenix Penguin Colony
🇦🇶 Antarctica , Stancomb-Willy Ice Tongued.
Seen from Space by 🛰Sentinel-2
2026.09.10 - 2026.10.07

Link.dataspace.copernicus.eu/rqz3

@ptfretwell.bsky.social

@manchotempereur.bsky.socialOct 7, 2026, 7:12 PMReposted by @ptfretwell.bsky.social

Hi, Peter. It looks like there's a broken link, so I'll post the article here.

@ptfretwell.bsky.socialOct 7, 2026, 5:17 PM

The worlds largest penguin colony lost half a million penguins, it is the largest no more.https://www.bbc.co.uk/news/articles/cr9dzy24g2l7o

@aretsch.bsky.socialOct 5, 2026, 8:53 PMReposted by @ptfretwell.bsky.social

🐧Dawson-Lambton Penguin Colony
🇦🇶 Antarctica
Seen from Space by 🛰Sentinel-2

Fortunately, they haven't given up there yet 👍

@ptfretwell.bsky.social

@sentinelonline.bsky.social

@ptfretwell.bsky.socialSep 26, 2026, 8:33 AM

Currently (26 Sept 2026) there are four hurricane class storms in the equatorial Pacific at the same time. Is this unprecedented?

Live Hurricane Tracker | NESDIS | National Environmental Satellite, Data, and Information Service https://share.google/JSwrejw6ZgeyRLXSi
@ptfretwell.bsky.socialSep 23, 2026, 8:29 AM

Latest paper now out www.frontiersin.org/journals/mar...

@commsbio.nature.comSep 21, 2026, 6:47 PMReposted by @ptfretwell.bsky.social

Satellite observations reveal five newly identified emperor penguin colony sites suggesting that colonies are dynamic relocating over long distances in response to changing ice conditions @ptfretwell.bsky.social @bas.ac.uk
www.nature.com/articles/s42...

@ptfretwell.bsky.socialSep 18, 2026, 9:20 AM

Emperor penguins are moving to avoid climate change. New paper now out: www.nature.com/articles/s42...

@ptfretwell.bsky.socialSep 18, 2026, 9:13 AM

Emperor penguins are moving home to avoid climate change. New paper now out: www.nature.com/articles/s42...

@bas.ac.ukSep 17, 2026, 11:57 AMReposted by @ptfretwell.bsky.social

Hundreds of whales strand on a remote beach – and no one notices for months. Strandings can be an early warning system for ocean health, flagging pollution, disease, and environmental change. But in remote areas, they often go unseen. 🐳 🧵1/2

A diagram showing satellite images of whale strandings on a beach.
@ptfretwell.bsky.socialSep 8, 2026, 10:38 PM

🎉🎈👏🎊 Congratulations Dr Gill!

@ptfretwell.bsky.socialSep 7, 2026, 6:21 AM

On that theme, cockatoo

@ptfretwell.bsky.socialSep 4, 2026, 11:20 PM

www.solcreativefoundry.com/wild-world-a...

@ptfretwell.bsky.socialSep 2, 2026, 10:21 PM

In case you are interested the photo is of one of my field sites on the Sibelius Glacier, Alexander Island. A pyramid tent under an unnamed pyramidal peak, a spur of the 10,000 ft mt Stephenson.

@ptfretwell.bsky.socialSep 2, 2026, 10:17 PM

Out today in paperback!

@ptfretwell.bsky.socialSep 2, 2026, 12:22 PM

www.durham.ac.uk/news-events/...

@ptfretwell.bsky.socialAug 31, 2026, 6:32 PM

Loving it! 😍

@ptfretwell.bsky.socialMar 10, 2025, 2:42 PM

Bedmap3 is now out
rdcu.be/ecTmO

Bed height above sea level
-6000 -4500 -2000 -1000 -600 -200 200 400 800 1200
7
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