Body Camera Study Reveals What Cats Do When Nobody's Looking

iStock/konradlew
iStock/konradlew

Cat owners have a lot of questions about their feline companions, such as why do cats like boxes?, why are they afraid of cucumbers?, and do they understand their own names? While some of these questions have been answered by science, the matter of what cats do when their owners aren't around has remained murky. To get to the bottom of the mystery, a pair of scientists in the UK strapped video cameras to 16 cats and monitored their behavior.

Their study, co-authored by behavioral ecologist Maren Huck and animal behaviorist Samantha Watson and published in Applied Animal Behavior Science, was meant to be an assessment of the portable video technology. As Huck told Science in an interview, the experiment also revealed some surprising data regarding cat behaviors. One big takeaway was that cats may not be as relaxed and lazy as they're often stereotyped to be. When the cats in the study were allowed to wander freely outdoors, they were highly alert and engaged with their environment.

The study also presents evidence against the idea that cats don't care about their owners. The videos showed that the cats, when home, tended to follow their humans around and liked to be in the same room as them. You can see the behaviors that were recorded in the video below.

Though similar experiments have been conducted on different animals in the past, there haven't been many studies that use body cameras to observe a range of cat behaviors. This may have something to do with the nature of the subjects. When the researchers attached cameras to 21 cats, five of them either tried to shake or scratch them off. One cat began swatting her son when she saw the camera on him. For now, the secret lives of these more finicky felines remain a mystery.

[h/t Science]

The Tiger Who Came to Tea … In the Middle of Rural Yorkshire

If you lived in Holmfirth, England, in the 1940s, there's a good chance you would've found a tiger like this one wandering around town.
If you lived in Holmfirth, England, in the 1940s, there's a good chance you would've found a tiger like this one wandering around town.
photoguru81/iStock via Getty Images

According to the World Wildlife Fund, there are more tigers in captivity than there are in the wild. This is especially true in the United States, where backyard zoos and cub petting operations are successful—if controversial—businesses. Big cat ownership is more heavily regulated in the UK than it is in the U.S., but that wasn’t always the case. More than 70 years ago, there was at least one pet tiger living in England.

To the people of Britain, Holmfirth, 20 miles outside of Manchester, is probably best known as the picturesque setting of Last of the Summer Wine, the BBC show that ran for a staggering 37 years from 1973 to 2010 and is now appropriately credited as being the world’s longest running sitcom. But back in the early 1940s, the village was known locally as the home of Fenella the Holmfirth Tiger.

Fenella’s story actually begins more than 8000 miles away in South Africa, where she was adopted by a family of circus performers and acrobats from Yorkshire, the Overends, in the late 1930s. While touring South Africa with a traveling circus in 1939, the Overend family was offered two newborn circus tiger cubs to rear and eventually incorporate into their act. One of the cubs died barely a week later, but the other—given the name Fenella, or “Feney” for short—survived.

The Overends were forced to return to England after the outbreak of the Second World War. They took Fenella home with them to live (albeit after a brief stay in quarantine) in the back garden of their house in Holmfirth. Although she had a specially built hut and enclosure, the tiger eventually began spending just as much time in the family house as she did in the garden, and according to her owners, soon became extraordinarily tame.

The family would take her for walks through the village, including past the local primary school, where she became a firm favorite among the pupils. When the local council began to raise questions over just how tame Fenella really was, the sight of her walking calmly while being petted by all the schoolchildren as they returned from their lunch break was all it took to quash their worries.

Holmfirth viewed from the cemetery
Holmfirth in the 21st century, with nary a tiger in sight.

Tim Green, Flickr // CC BY 2.0

Fenella was sometimes permitted to run in the fields around the village, where she reportedly made friends with a local cart horse—which is surprising, given she was raised on a diet of horse meat and fish (fish and chips were one of her favorite treats). She apparently also had a fondness for climbing trees to take a nap, and supposedly had a habit of dropping down from the branches and, fairly understandably, surprising passersby. But soon the sight of a fully grown 9-foot Sumatran tigress casually idling her way through the village’s cobbled streets became the norm for the people of Holmfirth.

Fenella was intended to be a performing tiger. Similar to the cub petting operations that still exist in the U.S., visitors could pay sixpence to sit and pet her while the family was on tour. She was also worked into the family’s circus performances by staging a mock wrestling match with her owner. But though the Overends put the big cat to work, they considered her a beloved family pet rather than just another part of their act.

Sadly, Fenella died of a kidney infection during one of the family’s tours in 1950 when she was just over 10 years old. She was buried in the neighbor’s garden, which was said to be one of her favorite hunting grounds. Fenella is still remembered fondly in and around Holmfirth. In 2016, she was a highlight of the Holmfirth Arts Festival, which celebrated the cat’s life with an exhibition of photographs and archival footage of her and the Overend family. Exotic pets might not have remained as popular in the UK as they once were, but Fenella’s popularity at least remains intact.

Why Are Sloths So Slow?

Sloths have little problem holding still for nature photographers.
Sloths have little problem holding still for nature photographers.
Geoview/iStock via Getty Images

When it comes to physical activity, few animals have as maligned a reputation as the sloth. The six sloth species, which call Brazil and Panama home, move with no urgency, having seemingly adapted to an existence that allows for a life lived in slow motion. But what makes sloths so sedate? And what horrible, poop-related price must they pay in order to maintain life in the slow lane?

According to HowStuffWorks, the sloth’s limited movements are primarily the result of their diet. Residing mainly in the canopy vines of Central and South American forests, sloths dine out on leaves, fruits, and buds. With virtually no fat or protein, sloths conserve energy by taking a leisurely approach to life. On average, a sloth will climb or travel roughly 125 feet per day. On land, it takes them roughly one minute to move just one foot.

A sloth’s digestive system matches their locomotion. After munching leaves using their lips—they have no incisors—it can take up to a month for their meals to be fully digested. And a sloth's metabolic rate is 40 to 45 percent slower than most mammals' to help compensate for their low caloric intake. With so little fuel to burn, a sloth makes the most of it.

Deliberate movement shouldn’t be confused for weakness, however. Sloths can hang from branches for hours, showing off some impressive stamina. And because they spend most of their time high up in trees, they have no need for rapid movement to evade predators.

There is, however, one major downside to the sloth's leisurely lifestyle. Owing to their meager diet, they typically only have to poop once per week. Like going in a public bathroom, this can be a stressful event, as it means going to the ground and risking detection by predators—which puts their lives on the line. Worse, that slow bowel motility means they’re trying to push out nearly one-third of their body weight in feces at a time. It's something to consider the next time you feel envious of their chill lifestyle.

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