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Jonathan Losos

@jblosos.bsky.social

Evolutionary biologist, herpetologist, cat lover.

877 Followers  |  572 Following  |  86 Posts  |  Joined: 23.11.2024  |  1.5369

Latest posts by jblosos.bsky.social on Bluesky

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Feline: Photographs Amazon.com: Feline: Photographs: 9781419773648: Flach, Tim, Losos, Jonathan: Books

Feline 40% off!!! www.amazon.com/Feline-Photo...

20.11.2025 16:41 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Amazon has decided to unload my books at bargain basement prices!

31.10.2025 05:11 β€” πŸ‘ 6    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Spoil Islands in Florida: an Opportunity for Anole Experiments in the Wild Invasive species are a growing problem across our increasingly globalized planet. They are often adept at establishing stable population sizes very quickly, which allows them to outcompete native s…

Spoil Islands in Florida: an Opportunity for Anole Experiments in the Wild www.anoleannals.org/2025/10/30/s...

30.10.2025 13:47 β€” πŸ‘ 20    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Feline: Photographs Amazon.com: Feline: Photographs: 9781419773648: Flach, Tim, Losos, Jonathan: Books

If you look carefully, you'll see that the text is written by yours truly. I won't comment on that, but ther photographs are extraordinary! www.amazon.com/Feline-Photo...

21.10.2025 16:41 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Rebreathing Semi-aquatic Anoles: Just a Scuba Tank… or Something More? Over the past several years, semi-aquatic anoles experienced a bit of viral fame for β€œscuba diving,” a nickname for their ability to rebreathe a bubble of air over their nostrils while diving…

Rebreathing Semi-aquatic Anoles: Just a Scuba Tank… or Something More? www.anoleannals.org/2025/10/15/r...

15.10.2025 13:31 β€” πŸ‘ 9    πŸ” 1    πŸ’¬ 1    πŸ“Œ 2
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β€˜Pirates’ of the Caribbean: The luck and pluck of three-legged lizards Researchers from Washington University in St. Louis and the Georgia Institute of Technology study lizards who have lost limbs to understand how omnipresent the forces of natural selection can be, and ...
13.10.2025 19:24 β€” πŸ‘ 12    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
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3-legged lizards can thrive against all odds, challenging assumptions about how evolution works in the wild Most lizards probably don’t survive devastating injuries. But a new study documents 122 cases of limb loss across 58 species – these exceptions shine a new light on natural selection.

3-legged lizards can thrive against all odds, challenging assumptions about how evolution works in the wild
theconversation.com/3-legged-liz...

13.10.2025 14:02 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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See Stunning Feline Photography Revealing the Science of Cats Tim Flach captures his fascination with the science of cats in stunning photographs from his new book Feline
06.10.2025 16:56 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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How a wildlife photographer found one of his biggest challenges with house cats Wildlife photographer Tim Flach has been around the world to get the perfect shot. But his latest book, titled "Feline," may have been one his biggest challenges.

awesome photos! Check out who wrote the text! www.cbsnews.com/video/how-a-...

04.10.2025 16:57 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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More on Anole Eye Spots Some green anoles sometimes temporarily develop a black spot behind their eyes. We had a great post on why this happens in 2011. Spoiler: it’s a sign of stress. Reader Seth Whaland has provid…

More on Anole Eye Spots www.anoleannals.org/2025/09/04/m...

04.09.2025 13:35 β€” πŸ‘ 6    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Anolis cybotes, the Hispaniolan Stout Anole Last updated on Tuesday 26 August 2025.Florida is home to an array of non-native Anolis species. Some of these introduced species are extremely widespread, such as Anolis sagrei (the Cuban brown an…

Anolis cybotes, the Hispaniolan Stout Anole floridensis.com/2025/08/26/a...

26.08.2025 14:16 β€” πŸ‘ 7    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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New Orleans’ Brown Anoles Can Tolerate Extraordinary Amounts of Lead in Their Blood Tulane University reports: Lead-resistant lizards in New Orleans could hold clues to combating lead poisoning August 20, 2025 9:00 AM Stacey PlaisanceΒ splaisance@tulane.edu Tulane researchers found…

New Orleans' Brown Anoles Can Tolerate Extraordinary Amounts of Lead in Their Blood www.anoleannals.org/2025/08/23/n...

24.08.2025 14:45 β€” πŸ‘ 15    πŸ” 5    πŸ’¬ 2    πŸ“Œ 1
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Fight Fiercely Harvard Settling with the federal government may be the right call for Harvard, but doing so will be a blow to American democracy

Fight Fiercely Harvard
open.substack.com/pub/perilous...

22.08.2025 15:20 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Israel's Gaza War Has Made Me Ashamed to Be a Jewish Zionist Israel's fight against Hamas started as a just war, but is now a moral travesty

Israel's Gaza War Has Made Me Ashamed to Be a Jewish Zionist
open.substack.com/pub/perilous...

07.08.2025 13:02 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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Leiocephalus carinatus, the Northern Curly-tailed Lizard Last updated on Friday 25 July 2025.At some point in the 1940s, somebody decided to intentionally release a number of non-native Northern curly-tailed lizards (Leiocephalus carinatus armouri, speci…
25.07.2025 14:27 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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At long last, The Cat's Meow featured in the New York Times...sort of. www.nytimes.com/.../books/re...

23.07.2025 15:55 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The Alluring Anoles of Alto Velo Although I have not been a prolific poster on AA, I have enjoyed contributing articles about the obscure and rarely seen anoles of the Greater Antilles and Lucayan archipelagos, such as Anolis erne…

The Alluring Anoles of Alto Velo www.anoleannals.org/2025/07/19/t...

19.07.2025 15:33 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Some Thoughts on Trumpism and Soviet Communism on a Visit to Prague With Trump’s tariffs and immigration police, there are echoes of Eastern Europe’s authoritarian past

Some Thoughts on Trumpism and Soviet Communism on a Visit to Prague
open.substack.com/pub/perilous...

19.07.2025 14:24 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Non-native Herps Still Increasing in the Most Heavily Invaded Herp Community in the World. There truly is never a dull moment in South Florida, especially for those of us who love herps. South Florida is a herper’s paradise with at least 63 exotic herps recorded in the state in addition …

Non-native Herps Still Increasing in the Most Heavily Invaded Herp Community in the World. www.anoleannals.org/2025/07/06/n...

06.07.2025 13:05 β€” πŸ‘ 9    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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How I built a 6 foot long stainless steel anole lizard sculpture: the Movie Read about Steve Nielsen, the artist, here.

<i>How I built a 6 foot long stainless steel anole lizard sculpture</i>: the Movie www.anoleannals.org/2025/06/03/h...

03.06.2025 22:42 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Dewlap Drama in the Slender Anole: a Tale of Two Throats Color us intrigued! In the world of Anolis lizards, the dewlapβ€”a colorful throat fan used for communicationβ€”is one of the most iconic features. It’s been flaunted, flashed, and filmed in countless …

Dewlap Drama in the Slender Anole: a Tale of Two Throats www.anoleannals.org/2025/06/01/d...

02.06.2025 01:25 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Caiman crocodilus, the Spectacled Caiman Last updated Tuesday 27 May 2025. This is a shorter post because, to date, I’ve only encountered and photographed one non-native Spectacled caiman in Florida. Native to the lower portion of C…

Caiman crocodilus, the Spectacled Caiman floridensis.com/2025/05/27/c...

27.05.2025 14:42 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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A Three-Legged Lizard Mystery Anole Annals has featured a series of posts on three-legged lizards over the years (e.g., here and here). Now we need help. Some time around 2017, April Brown contributed a photo of a brown anole m…

A Three-Legged Lizard Mystery www.anoleannals.org/2025/05/25/a...

25.05.2025 14:54 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Copycat evolution Biologist Jonathan Losos, in Arts & Sciences, has documented evidence of a kind of "copycat" evolution between extremely short-faced breeds of cats and dogs. Generations of intentional breeding have l...

Here's a story about how breeding has smushed so many pet skulls that Persians and pugs resemble eachother more than their wild ancestors. Research from @jblosos.bsky.social πŸ§ͺ πŸ• 🐈 πŸ’€ source.washu.edu/2025/04/copy...

29.04.2025 17:41 β€” πŸ‘ 20    πŸ” 8    πŸ’¬ 3    πŸ“Œ 0
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I’m beyond proud to share that I’ve officially earned my Ph.D. and served as Student Marshal for the School of Medicine at WashU! Grateful to my advisor, @jblosos.bsky.social, my committee, and everyone who supported me. And now, on to the next chapter!

15.05.2025 01:22 β€” πŸ‘ 25    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

The new rule would limit the Act to protecting species from intentional take, i.e., killing. This would be catastrophic for endangered species. While intentional take certainly threatens wild populations, habitat modification is the primary driver of biodiversity loss. Act today--deadline is Monday!

18.05.2025 14:17 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Rescinding the Definition of β€œHarm” Under the Endangered Species Act The U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS) (collectively referred to as the Services or we) are proposing to rescind the regulatory definition of "harm" ...

USFWS and NOAA have a proposed rescinding the definition of β€œharm” under the Endangered Species Act. Presently, β€œharm” includes habitat modifications, such as those due to land-use change, invasive species, pollution. The new rule would be much more limited

www.federalregister.gov/documents/20...

18.05.2025 14:15 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Anolis cannibalis I live in Bermuda. Many years ago, my daughter and I witnessed a large male Graham’s anole devour a small female, same species. We were horrified as we had watched these particular individua…

<i>Anolis cannibalis</i> www.anoleannals.org/2025/05/17/a...

18.05.2025 14:04 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Understanding Animal Behaviour, a Non-Fiction Graphic Novel I dislike textbooks. I still remember the dismay as an undergraduate student of spending all that money to buy hugely expensive textbooks. And if there was any sense of excitement on cracking the c…

Understanding Animal Behaviour, a Non-Fiction Graphic Novel www.anoleannals.org/2025/05/16/u...

16.05.2025 17:37 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Copycat evolution Biologist Jonathan Losos, in Arts & Sciences, has documented evidence of a kind of "copycat" evolution between extremely short-faced breeds of cats and dogs. Generations of intentional breeding have l...

β€œThe skulls of a Pug or a Pekingese and a Persian cat are more similar to each other than either is to their ancestors, the wolf and the North African wildcat,” said @jblosos.bsky.social .... β€œI don’t think anyone would have expected that.” source.washu.edu/2025/04/copy...

29.04.2025 20:39 β€” πŸ‘ 6    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

@jblosos is following 20 prominent accounts