First-Ever Images of Cozumel Dwarf Fox Captured by Scientists

Groundbreaking research has yielded the first photograph of the Cozumel Dwarf Fox (Urokion sp.), a rare and elusive species native to Cozumel Island, located off Mexico’s Yucatán Peninsula. Captured in September 2023, these images represent the first confirmed evidence of this animal’s existence since 2001.



This photograph shows a Cozumel Dwarf Fox (Urokion sp.) taken on September 14, 2023. The adult male fox was partially hidden behind leaves before its capture by the Cozumel Foundation. The image serves as significant evidence of its survival on the island since its last confirmed sighting in 2001. Image credit: Rafael Chacón.

The Cozumel Dwarf Fox belongs to the genus Urocyon. Despite its close relation to the North American gray fox, this unique species has dramatically decreased in population due to its isolation on the island.

Subfossil remains indicate that this species is 60-80% smaller than its mainland counterparts, a result of thousands of years of insular adaptation, with origins dating back around 37,000 years.

“The genus Urocyon consists of two species, the Gray Fox (Urocyon cinereoargenteus) and the Island Fox (Urocyon littoralis), which is endemic to six of California’s Channel Islands,” stated Travis Bayer, lead author of the study.

“The Island Fox is a well-documented example of dwarfism and rapid evolution following isolation on islands.”

“Clear morphological, genetic, and ecological distinctions exist compared to its mainland relatives.”

“Archaeological findings suggest that the dwarf fox has inhabited Cozumel for thousands of years, possibly even before early Maya settlements.”

“This population has never been officially documented or recognized as a taxonomically unique group.”

“Sightings of this species are exceedingly rare, consisting of limited observations and anecdotal reports, the latest of which dates back to 2001.”

The only physical evidence of this species’ existence comes from subfossil remains, indicating significant island dwarfism (60-80% size reduction), suggesting isolation began between 5,000 and 37,000 years ago.



A full-body photo of an adult male Cozumel Dwarf Fox following its release into the Laguna Colombia State Reserve. Captured after a health check on September 17, 2023. Image credit: Rafael Chacón.

The research team reported that the adult male Cozumel Dwarf Fox was found disoriented near the coastal highway early on September 14, 2023, following a report from a local resident.

Rafael Chacón, one of the study’s authors, along with rescuers from the Cozumel Foundation, retrieved the fox.

After monitoring it for several days, the animal was released back into the protected Laguna Colombia State Reserve in southern Cozumel.

“One of the key lessons from this study is that species can quietly vanish without anyone noticing,” Bayer remarked. “Many perceive extinction as a sudden and dramatic event, but it often occurs slowly and unnoticed, especially among rare species in less-studied habitats.”

“This rediscovery of the Cozumel Fox might not represent a conservation success yet, but it provides a crucial second chance.”

Researchers emphasize the urgent need for field surveys, ongoing population monitoring, and habitat protection, particularly in southern Cozumel, where development, invasive species, and other threats are jeopardizing the island’s ecosystem.

“The greatest challenge facing the Cozumel Fox is that our knowledge about it is limited, including insights into its population size, distribution, and ecology,” Bayer stated.

“This uncertainty poses significant risks, complicating efficient conservation efforts.”

“Ultimately, we hope this research will enhance the Cozumel Fox’s status from a little-known species to an essential part of Cozumel’s ecosystem.”

“We aim to illustrate that the need for protection is often greatest when certainty is at its lowest, and that uncertainty can spur action.”

The team’s research paper was published online on May 4, 2026, in Neotropical Biology and Conservation.

_____

TD Bayer et al. 2026. The first photographic evidence of a dwarf fox from the island (Urokion sp.) located on the Mexican island of Cozumel. Neotropical Biology and Conservation 21 (2): 123-129; doi: 10.3897/Neotropical.21.e187967

Source: www.sci.news

Martha Lane Fox discusses diversity, the Tesla CEO, and International Women’s Day

aSelon Musk laughed at Oval Office, one of the UK's most influential technology investors. “He's absolutely horrible. I've said that many times: I think it's horrible what's going on,” says Martha Lane Fox.

For British peers and former Twitter board members, the musk view from Donald Trump's White House bully's pulpit shows that Silicon Valley's dreams have turned sour.

“The wealthiest man in the world who can stand there with the president, and Cult Blanche Please joke about how he carves out people's work in government. He can then be there with a chainsaw laughing on stage…

“It's really, really unsettling and I find it very uncomfortable on a value-based level. It makes me very worried. I think it's gross.”

In an interview with observer To mark International Women's Day, the UK Chamber of Commerce (BCC) president warned against a pushback of diversity that Trump and his technological peers not only hurt society, but also the economy as a whole.

Since he returned to the White House, the US President has shut down all federal diversity, equity and inclusion (DEI) initiatives, but Musk's “Doctors of Government Efficiency” (DOGE) is torn apart the funding scheme.

Some of the world's largest companies have followed suit. Of the broad pushback to everything from environmental goals to sustainable development, among the most notable participants are US finance companies and high-tech companies, including Goldman Sachs, Accenture and Amazon, but also UK companies such as GSK.

“He needs to be locked up,” Lady Lane Fox said of Mask's role in the rollback. “I think it's extraordinary that the wealthiest guys in the world are trampling on these things, and that we still have fanboys from the tech sector. It's already corrosive to society and I'd argue that it's going to last.”

For businesses, she says it's better for diversity to ultimately appeal to the widest talent pool of employees and target the widest range of customers. This is just as much about profit as social justice, she adds. However, she has broader concerns about the future.

“First, it's financial. But secondly, it's about power and money – like everything, is it?

“If you're looking at a sector like the digital sector where employment growth, opportunities growth, it's the growth sector of the economy. But you don't include a lot of people in it. Then you'll create inequality. Full stop. It's financial and a social justice issue.”

Given the close relationship between the UK and the US, there is an opinion that the UK continues naturally in the places it stepped in America. But there are indications that some UK businesses, and even US companies, are ready to go away.

Accounting firm Deloitte has directed staff working on a contract to remove pronouns from emails to announce the end of the DEI program. However, the British boss told the staff that the UK business was ” [its] The goal of diversity.”

“I feel like a global company rooted in the US is emphasizing the slight politically motivated change until it all rows out, and I feel it's been a little more tempered here,” says Lane Fox.

She says that UK businesses have the opportunity to do something different. “I think we have a better shot at building a more robust company, attracting talent and building the most resilient company of the future.”

For almost 30 years, LaneFox has built a career and millions of pounds of fortune in technology. She created the first Big Money Floating LastMinute.com on LastMinute.com, an online travel site co-founded with Oxford alumnus Brent Hoberman in 1998.

Elon Musk will be holding a courthouse with Son X in the White House oval office in February. Photo: Abaca/Rex/Shutterstock

She joined Twitter's board of directors (now X) in 2016 and after landing a major payday in 2022 with a $44 billion hostile takeover of Musk, he dissolved the board and appointed its sole director.

He saw musk in his oval office, paraded his Son X over his shoulder, raising doubts about gender division. “Can you imagine it if it was a woman? Can you imagine what it would look like? I mean, I just think the whole thing is really awful.”

But, in personal abilities, the BCC president has not suggested that this approach is not for everyone. “It's really hard to navigate. It's a responsibility to our customers and employees that may differ from our personal views.”

Government regulations enshring diversity targets are also a bad idea, she says. Instead, businesses prefer to report their progress. “It's important to keep that in the light and keep reporting. Keeping good investors, looking at the right metrics, investing in the right companies all helps.”

However, there has not been enough progress. This week's analysis showed that women's unemployment and worsening participation in the workforce have pushed the UK behind Canada to the lowest global ranking for workplace equality in a large economy in a decade.

Gender wage gaps slowly decrease over time, The average salary is still 7% less For women rather than men. That's a challenge that Lane Fox knows too much. “Look at the data. It's really loud. It's not moving,” she says.

“What I'm worried about is that it's too easy to find the numbers we thought were moving forward.

“This week on International Women's Day, we see that representatives at the executive level have returned. I think the board progress is still good at the FTSE 100 level, but it's bad at the FTSE 250 and 350 levels.

“I know there are people in the sector who are thinking, 'Oh, here she's going again.' That applies to many women [that people think that]. But it is very important to continue these discussions. ”

Source: www.theguardian.com

The specialized adaptation of fox skulls for diving into snow

Red fox diving into the snow to catch prey

Maxime Riendau/Getty Images

Some foxes can dive headfirst into snow without causing harm, and we now know how the shape of their skulls is adapted to this technique.

In colder climates, where small rodents live deep beneath the snow, red foxes (Vulpes Vulpes Vulpes) and arctic fox (Vulpes lagopus) has a special hunting technique known as mouse. They use their strong sense of hearing to pinpoint the location of their prey, then jump into the air and dive face-first into large piles of snow at speeds of up to 4 meters per second, catching their prey by surprise.

“This is a very interesting and unique behavior,” he says. Jung Sung-hwan At Cornell University in New York. “Not all foxes do that.”

To learn more about why red and arctic foxes are so adept at snow diving, Jung et al. scanned.

Their analysis found that felines tend to have broader and shorter snouts compared to foxes. This creates a stronger bite, which is more beneficial for felines, which typically hunt alone, Jung said.

Foxes, on the other hand, which hunt in packs, had much longer and more pointed skulls. This leads to a weak bite. The red fox and the arctic fox have similarly narrow muzzles that are slightly longer than other foxes.

The researchers dropped a 3D-printed model of a regular arctic fox skull and a flattened version of the skull into snow from a height of 50 centimeters.

“What we found is that a sharper nose compresses the snow less, reducing the impact,” Jung says. This reduces the risk of injury. Its longer, pointier snout gently pushes the snow aside, as if it were liquid, he said. “Such an elongated shape helps foxes dive safely into the snow so they can focus on hunting.”

topic:

Source: www.newscientist.com

‘Martha Lane Fox: From Overachiever to Mountain Conqueror’

Even for able-bodied climbers, climbing Britain's three highest peaks can seem like a test of determination. But Martha Lane Fox has undergone 47 surgeries and suffers from impaired balance, nerve damage, and constant pain, requiring two canes to get anywhere. This is a remnant of the car accident that almost killed her 20 years ago.

On Saturday, she completed the first leg of “Martha's Mountain Mission” by reaching the summit of Snowdon or Yul Wiffa. Scafell Pike, England's highest mountain, will be next on May 6th, followed by Ben Nevis on September 7th.

“My body is not like other people's,” she said. observer. “I suffer from severe pain and incontinence and have very severe nerve damage. So all of these things make it a very big hurdle for me to try to walk for any length of time, let alone really long. Not to mention the hours going uphill and all the way back down.”

Martha's Mountain Mission marks the 20th anniversary of Lane Fox's car accident in Morocco. She's 31, just sold lastmount.com, the travel and gift company she founded with Brent Hoberman seven years ago, and is on vacation with her boyfriend of six weeks, Chris Gorrell Burns.

When Lane Fox was thrown from the passenger seat of a convertible and landed on a rock, it seemed like a new chapter in her life was about to end.

“I almost died,” she said in a low voice. “When you walk into the trauma room on the scale, they score you. I think up to 39 – 39 is dead. I was 37 at the time. So you can't get any closer to death. I don't think I could, and I was very, very hurt.

“But I was very lucky to be able to escape from Morocco first. It wasn't planned by me, my family planned it. Then I went to work at one of the best hospitals in the country, John – He was taken to Radcliffe Hospital. [in Oxford]is reinstated, then transferred to other hospitals over the next few years, and then continually reinstated.

map

“So most people who go through something like that don't have all of that available to them.”

That's one reason she's walking. to raise her £300,000 for four charities. first day trauma This is for people in Lane Fox's situation, helping people with catastrophic injuries rebuild their lives. There are countless decisions to be made about treatment, finances, and what you need to do to recover. “So when I have a bad moment, I especially think of the Day One Trauma people.” [to motivate me],” she said.

Lane Fox broke 28 bones, suffered a stroke and was hospitalized for just under two years, as surgeon after surgeon tried to fix or simply alleviate her injuries. For the past 20 years, she has been in and out of hospital, and this is the inspiration for another charity she supports. horatio's garden.


On Saturday, friends will join the Martha Lane Fox in Eriri National Park (Snowdonia). Photo: Courtesy of Martha Lane Fox

“They are building beautiful gardens and spaces in each spinal unit for people like me who are stuck in the hospital for a very long time and can’t go outside,” she said. “When something like that happens, it doesn't really end. It changed my life forever. I'm lucky. I mean, in my heart, I'm not kidding. I'm lucky. I have the resources and support to survive and thrive. So I feel lucky.”

Thanks to their support, Lane Fox was able to build on its success during the dot-com boom and indeed grow. Three years after her accident, she joined the board of Marks and Spencer, was appointed to the House of Lords, and worked with David Cameron's government to improve computer literacy.

Another charity activity is ability net. This is a reminder for us to work with developers and technologists to remember older people and people with disabilities who are often excluded from digital life. Fourth, i am the code wants to help 1 million girls and young women become programmers by 2030.

Skip past newsletter promotions

Lane Fox became Chancellor of the Open University in 2014 and had twin sons through surrogacy with Gorrell Barnes in 2016. Seven-year-olds Milo and Felix joined their girlfriend, along with more than 30 friends, on a run up and down Snowdon yesterday.

Still, the effects of her injury continue. “I do a lot of physical therapy anyway, because otherwise I wouldn't be able to exist,” she said. “But 2022 was a really bad year for me. I had sepsis and almost lost my leg. I was really sick, I was back in the hospital a lot.” Last year At 50 years old, she had only one ambition. That means she doesn't have time to be hospitalized.

“It made my mind clear. I wanted to do something so scary that it felt like a goal I had achieved, but at the same time something so scary that people might give me money. That's why I came up with the now somewhat crazy idea of ​​climbing these three peaks. ”

After spending Saturday in Wales in the cold April sun, a weary Lane Fox was looking ahead to his next two challenges.

“It was much harder coming down, but I'm alive, and I’m so happy every day,” she said.

“Ben Nevis is the hardest. But one thing at a time.”

To donate to Martha's Mountain Challenge, please visit: givewheel.com

Source: www.theguardian.com