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Julian Herzog via Wikimedia Commons // CC BY-SA 3.0
Julian Herzog via Wikimedia Commons // CC BY-SA 3.0

U.S. Government (Finally) Makes It Illegal to Sell Tigers Without a Permit

Julian Herzog via Wikimedia Commons // CC BY-SA 3.0
Julian Herzog via Wikimedia Commons // CC BY-SA 3.0

After years of discussion, the U.S. Fish and Wildlife Service (USFWS) has finally made it illegal for Americans to buy, sell, and own tigers without a permit.

It's true: before now you could legally keep one of those enormous, beautiful, endangered (and yes, violent) cats in your backyard. Kind of. You see, just like prescription drugs or cereal, there are legally two types of tigers: brand name and generic. The lineage of brand-name (or pedigreed) tigers is clear; each individual belongs to a single subspecies, all of which are endangered. As a result, all pedigreed tigers fell under the Endangered Species Act, and their transport and welfare were strictly regulated. Generic tigers, on the other hand, are the result of cross-breeding between at least two subspecies. Because their mixed genes make them technically outside the purview of conservation programs, they were not considered endangered, and therefore were legal to buy, sell, and own without a permit. 

This may seem like a minor technicality to you, who presumably have never tried to buy a tiger, but to exotic animal traders, this loophole was more like a large tunnel. Conservationists say there are about 3200 tigers remaining in the wild. But at last count, Americans were keeping as many as 5000 captive in their backyards, roadside zoos, and breeding operations.

And what was bad for generic tigers was bad for tigers everywhere. Tigers are endangered for many reasons, one of which is the black-market value of their bones, pelts, and organs. But buyers on the black market don’t know the pedigree of the animals they’re purchasing, and some conservationists say it’s possible that American breeders have been selling generic tigers for parts.

“We have no idea if their bones go into the trade or not,” wildlife investigator J.A. Mills said in Scientific American. “If their bones go into the trade, then that’s stimulating demand for wild tigers just as much as the products from tiger farms in China.” 

The USFWS announced the loophole closure earlier this week. “Removing the loophole that enabled some tigers to be sold for purposes that do not benefit tigers in the wild will strengthen protections for these magnificent creatures and help reduce the trade in tigers that is so detrimental to wild populations,” USFWS director Dan Ashe said in a press statement. “This will be a positive driver for tiger conservation.”

The same day the ruling was made public, the USDA announced a tightening of regulations around the treatment and exhibition of tiger cubs. 

World Wildlife Fund senior policy advisor Leigh Henry told Scientific American that these policies represent progress, not a solution. 

“The U.S. must continue to improve its regulation of the estimated 5000 tigers within its borders and work with other countries with large captive tiger populations, most notably China, to map a way forward so that these animals aren't a threat to the conservation of tigers in the wild. The U.S. and China recently stepped up with joint commitments to end the trade of elephant ivory. This collaboration should serve as a model for protecting other threatened wildlife, and with only a few thousand left in the wild, tigers should be among the highest priorities.”

 [h/t Scientific American]

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Animals
Why Tiny 'Hedgehog Highways' Are Popping Up Around London
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iStock

Hedgehogs as pets have gained popularity in recent years, but in many parts of the world, they're still wild animals. That includes London, where close to a million of the creatures roam streets, parks, and gardens, seeking out wood and vegetation to take refuge in. Now, Atlas Obscura reports that animal activists are transforming the city into a more hospitable environment for hedgehogs.

Barnes Hedgehogs, a group founded by Michel Birkenwald in the London neighborhood of Barnes four years ago, is responsible for drilling tiny "hedgehog highways" through walls around London. The passages are just wide enough for the animals to climb through, making it easier for them to travel from one green space to the next.

London's wild hedgehog population has seen a sharp decline in recent decades. Though it's hard to pin down accurate numbers for the elusive animals, surveys have shown that the British population has dwindled by tens of millions since the 1950s. This is due to factors like human development and habitat destruction by farmers who aren't fond of the unattractive shrubs, hedges, and dead wood that hedgehogs use as their homes.

When such environments are left to grow, they can still be hard for hedgehogs to access. Carving hedgehog highways through the stone partitions and wooden fences bordering parks and gardens is one way Barnes Hedgehogs is making life in the big city a little easier for its most prickly residents.

[h/t Atlas Obscura]

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Penn Vet Working Dog Center
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Stones, Bones, and Wrecks
New Program Trains Dogs to Sniff Out Art Smugglers
Penn Vet Working Dog Center
Penn Vet Working Dog Center

Soon, the dogs you see sniffing out contraband at airports may not be searching for drugs or smuggled Spanish ham. They might be looking for stolen treasures.

K-9 Artifact Finders, a new collaboration between New Hampshire-based cultural heritage law firm Red Arch and the University of Pennsylvania, is training dogs to root out stolen antiquities looted from archaeological sites and museums. The dogs would be stopping them at borders before the items can be sold elsewhere on the black market.

The illegal antiquities trade nets more than $3 billion per year around the world, and trafficking hits countries dealing with ongoing conflict, like Syria and Iraq today, particularly hard. By one estimate, around half a million artifacts were stolen from museums and archaeological sites throughout Iraq between 2003 and 2005 alone. (Famously, the craft-supply chain Hobby Lobby was fined $3 million in 2017 for buying thousands of ancient artifacts looted from Iraq.) In Syria, the Islamic State has been known to loot and sell ancient artifacts including statues, jewelry, and art to fund its operations.

But the problem spans across the world. Between 2007 and 2016, U.S. Customs and Border Control discovered more than 7800 cultural artifacts in the U.S. looted from 30 different countries.

A yellow Lab sniffs a metal cage designed to train dogs on scent detection.
Penn Vet Working Dog Center

K-9 Artifact Finders is the brainchild of Rick St. Hilaire, the executive director of Red Arch. His non-profit firm researches cultural heritage property law and preservation policy, including studying archaeological site looting and antiquities trafficking. Back in 2015, St. Hilaire was reading an article about a working dog trained to sniff out electronics that was able to find USB drives, SD cards, and other data storage devices. He wondered, if dogs could be trained to identify the scents of inorganic materials that make up electronics, could they be trained to sniff out ancient pottery?

To find out, St. Hilaire tells Mental Floss, he contacted the Penn Vet Working Dog Center, a research and training center for detection dogs. In December 2017, Red Arch, the Working Dog Center, and the Penn Museum (which is providing the artifacts to train the dogs) launched K-9 Artifact Finders, and in late January 2018, the five dogs selected for the project began their training, starting with learning the distinct smell of ancient pottery.

“Our theory is, it is a porous material that’s going to have a lot more odor than, say, a metal,” says Cindy Otto, the executive director of the Penn Vet Working Dog Center and the project’s principal investigator.

As you might imagine, museum curators may not be keen on exposing fragile ancient materials to four Labrador retrievers and a German shepherd, and the Working Dog Center didn’t want to take any risks with the Penn Museum’s priceless artifacts. So instead of letting the dogs have free rein to sniff the materials themselves, the project is using cotton balls. The researchers seal the artifacts (broken shards of Syrian pottery) in airtight bags with a cotton ball for 72 hours, then ask the dogs to find the cotton balls in the lab. They’re being trained to disregard the smell of the cotton ball itself, the smell of the bag it was stored in, and ideally, the smell of modern-day pottery, eventually being able to zero in on the smell that distinguishes ancient pottery specifically.

A dog looks out over the metal "pinhweel" training mechanism.
Penn Vet Working Dog Center

“The dogs are responding well,” Otto tells Mental Floss, explaining that the training program is at the stage of "exposing them to the odor and having them recognize it.”

The dogs involved in the project were chosen for their calm-but-curious demeanors and sensitive noses (one also works as a drug-detection dog when she’s not training on pottery). They had to be motivated enough to want to hunt down the cotton balls, but not aggressive or easily distracted.

Right now, the dogs train three days a week, and will continue to work on their pottery-detection skills for the first stage of the project, which the researchers expect will last for the next nine months. Depending on how the first phase of the training goes, the researchers hope to be able to then take the dogs out into the field to see if they can find the odor of ancient pottery in real-life situations, like in suitcases, rather than in a laboratory setting. Eventually, they also hope to train the dogs on other types of objects, and perhaps even pinpoint the chemical signatures that make artifacts smell distinct.

Pottery-sniffing dogs won’t be showing up at airport customs or on shipping docks soon, but one day, they could be as common as drug-sniffing canines. If dogs can detect low blood sugar or find a tiny USB drive hidden in a house, surely they can figure out if you’re smuggling a sculpture made thousands of years ago in your suitcase.

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