logo
Scientist trains dogs to locate nearly extinct species in its natural habitat: 'The dogs can successfully find these plants'

Scientist trains dogs to locate nearly extinct species in its natural habitat: 'The dogs can successfully find these plants'

Yahoo15-04-2025
Circe and Muon are two sweet pups who love to run and play like other dogs. These unbelievable canines' not-so-average skills lie in their ability to play a vital role in ecological research.
The dogs are part of a team at K9inSCENTive, a company that trains dogs in ecological scent detection. They sniff out everything from animals to plants as part of scientific studies.
Circe and Muon were recognized in March by Phoenix's Desert Botanical Garden for their abilities in finding rare and endangered orchids in Southern Arizona.
The Canelo Hills ladies tresses orchid has historically been found in five places in the state. However, with the species' decline since 2016, they can only be found in two of the five locations.
As it can be nearly impossible for researchers to locate the small plant in vast areas, Circe and Muon's incredible sense of smell is a saving grace in the plant's survival.
The research on these orchids is being conducted by the Desert Botanical Garden, U.S. Fish and Wildlife Service, and Smithsonian Institution. Lauralea Oliver, the owner of K9inSCENTive, spent two months training Circe and Muon to sniff out the plant. By allowing them to spend time with closely related orchid species, their noses became acutely aware of the flower's scent.
To test their abilities, the pups were set loose in the two areas where the orchids are known to be found. The result: Circe and Muon successfully followed the scent and located the plants.
The skill of these dogs comes as no surprise in the scientific world and is the reason companies like K9inSCENTive exist. In 2023, a border collie was responsible for finding a rare mole species that had been assumed extinct for 86 years. More recently, an English springer spaniel was trained to sniff out an elusive species of newts in the United Kingdom.
Circe, a Labrador retriever, was also trained to sniff out birds and bats in another study, while Muon, a Belgian Malinois-Belgian Tervuren cross, does the same as well as finds San Francisco garter snakes.
These dogs' contributions to ecological research will directly lead to discoveries about the species they are trained to locate and help researchers continue their work. By being able to better study the Canelo Hills ladies tresses, the organizations involved can help with replanting and repopulating, keeping the environments in which they grow diverse and balanced.
Do you think America does a good job of protecting its natural beauty?
Definitely
Only in some areas
No way
I'm not sure
Click your choice to see results and speak your mind.
Garden conservation and collections manager Steve Blackwell worked alongside Circe and Muon and is hopeful for their future contributions.
"Now that we've shown that the dogs can successfully find these plants in the wild," Blackwell told the Desert Botanical Garden, "the next step will be for them to continue their training with the live plants in California. We will bring them back to Arizona next year with more experience where they can hopefully find even more plants at the existing sites and rediscover plants at the three sites where they have not been seen for over a decade."
Join our free newsletter for good news and useful tips, and don't miss this cool list of easy ways to help yourself while helping the planet.
Orange background

Try Our AI Features

Explore what Daily8 AI can do for you:

Comments

No comments yet...

Related Articles

Medieval skeletons reveal the lasting damage of childhood malnutrition
Medieval skeletons reveal the lasting damage of childhood malnutrition

Yahoo

timea day ago

  • Yahoo

Medieval skeletons reveal the lasting damage of childhood malnutrition

Beneath churchyards in London and Lincolnshire lie the chemical echoes of famine, infection and survival preserved in the teeth of those who lived through some of the most catastrophic periods in English history. In a new study, my colleagues and I examined over 270 medieval skeletons to investigate how early-life malnutrition affected long-term health and life expectancy. We focused on people who lived through the devastating period surrounding the Black Death (1348-1350), which included years of famine during the little ice age and the great bovine pestilence (an epidemic that killed two-thirds of cattle in England and Wales). We found that the biological scars of childhood deprivation during this time left lasting marks on the body. These findings suggest that early nutritional stress, whether in the 14th century or today, can have consequences that endure well beyond childhood. Children's teeth act like tiny time capsules. The hard layer inside each tooth, called dentine, sits beneath the enamel and forms while we're growing up. Once formed, it stays unchanged for life, creating a permanent record of what we ate and experienced. As our teeth develop, they absorb different chemical versions (isotopes) of carbon and nitrogen from our food, and these get locked into the tooth structure. This means scientists can read the story of someone's childhood diet by analysing their teeth. A method of measuring the chemical changes in sequential slices of the teeth is a recent advance used to identify dietary changes in past populations with greater accuracy. When children are starving, their bodies break down their fat stores and muscle to continue growing. This gives a different signature in the newly formed dentine than the isotopes from food. These signatures make centuries-old famines visible today, showing exactly how childhood trauma affected health in medieval times. We identified a distinctive pattern that had been seen before in victims of the great Irish famine. Normally, when people eat a typical diet, the levels of carbon and nitrogen in their teeth move in the same direction. For example, both might rise or fall together if someone eats more plants or animals. This is called 'covariance' because the two markers vary together. But during starvation, nitrogen levels in the teeth rise while carbon levels stay the same or drop. This opposite movement – called 'opposing covariance' – is like a red flag in the teeth that shows when a child was starving. These patterns helped us pinpoint the ages at which people experienced malnutrition. Lifelong legacy Children who survived this period reached adulthood during the plague years, and the effect on their growth was recorded in the chemical signals in their teeth. People with famine markers in their dentine had different mortality rates than those who lacked these markers. Children who are nutritionally deprived have poorer outcomes in later life: studies of modern children have suggested that children of low birth weight or who suffer stresses during the first 1,000 days of life have long-term effects on their health. For example, babies born small, a possible sign of nutritional stress, seem to be more prone to illnesses such as heart disease and diabetes in adulthood than the population at large. These characteristics can also be passed to future offspring through changes in how genes are switched on or off, known as 'epigenetic effects' – which can endure for three generations. In medieval England, early nutritional deprivation may have been beneficial during catastrophic times by producing adults of short stature and the capacity to store fat, but these people were much more likely to die after the age of 30 than their peers with healthy childhood dentine patterns. The patterns for childhood starvation increased in the decades leading up to the Black Death and declined after 1350. This suggests the pandemic may have indirectly improved living conditions by reducing population pressure and increasing access to food. The medieval teeth tell us something urgent about today. Right now, millions of children worldwide are experiencing the same nutritional crises that scarred those long-dead English villagers – whether from wars in Gaza and Ukraine or poverty in countless countries. Their bodies are writing the same chemical stories of survival into their growing bones and teeth, creating biological problems that will emerge decades later as heart disease, diabetes and early death. Our latest findings aren't just historical curiosities; they're an urgent warning that the children we fail to nourish today will carry those failures in their bodies for life and pass them on to their own children. The message from the medieval graves couldn't be clearer: feed the children now or pay the price for generations. Get your news from actual experts, straight to your inbox. Sign up to our daily newsletter to receive all The Conversation UK's latest coverage of news and research, from politics and business to the arts and sciences. This article is republished from The Conversation under a Creative Commons license. Read the original article. Julia Beaumont receives funding from Arts and Humanities research council, British Academy/Leverhulme.

Velociraptor's new cousin is a raptor unlike any seen before
Velociraptor's new cousin is a raptor unlike any seen before

National Geographic

time3 days ago

  • National Geographic

Velociraptor's new cousin is a raptor unlike any seen before

Shri rapax had bigger claws and potentially a stronger bite than its Hollywood relative. But paleontologists still don't know the whereabouts of its head, which went missing. The newly named raptor Shri rapax was smuggled by poachers, rescued from the black market, and then, sometime following a CT-scan in 2016, its skull went missing. Photograph by Thierry Hubin, Royal Belgian Institute of Natural Sciences Sometime before 2010, in the red sands of Mongolia's Gobi Desert brimming with fossils, poachers excavated and stole the exquisite skeleton of a carnivorous dinosaur. They smuggled the fossil out of the country and onto the black market. It passed through private collections in Japan and England and was eventually acquired by the French fossil company Eldonia. In 2016, one of the fossil's owners had the dinosaur's skull and four vertebrae CT-scanned at a Belgian museum, but sometime later the head and neck went missing. Their whereabouts remain unknown to scientists. Negotiations between the fossil company, paleontologists, and government officials led to the return of the dinosaur's body to Mongolia, where it could be cared for and studied, a raptor unlike any seen before. Now, this headless, extra-sharp relative of Velociraptor finally has a name: Shri rapax. The roughly six-foot-long, turkey-sized dinosaur wandered a prehistoric desert more than 71 million years ago. Like Velociraptor, which was also found in Mongolia, Shri is a dromaeosaur. This predatory dinosaur group includes Deinonychus, Utahraptor, and other feathery carnivores with large, hyperextendable claws on their second toes. "I was so surprised to find such an unexpected dromaeosaur in the same geological setting of the iconic Velociraptor," says Andrea Cau an independent paleontologist from Italy. Cau and his colleagues published a paper on July 13 in the journal Historical Biology describing the new species. The discovery is part of a growing number of raptor-like dinosaurs found in Mongolia, revealing an unexpected diversity of species and body types in this group, such as the goose-necked and slender Halszkaraptor escuilliei and Natovenator polydontus. This cast was created from a CT-scan of the dinosaur's skull that was conducted in 2016. The real fossilized skull's location is still a mystery to scientists. Photograph by Thierry Hubin, Royal Belgian Institute of Natural Sciences Shri rapax's claws were larger than the claws that its famous relative, Velociraptor, had on its hands. Photograph by Thierry Hubin, Royal Belgian Institute of Natural Sciences Despite its close relationship to the Hollywood-famous Velociraptor, Shri was a very different dinosaur. A cast of its skull, which was made based off the 2016 CT-scan as the actual fossil skull is still missing, indicates Shri had a deeper and shorter snout. The finding hints that this raptor had a stronger bite than its relative. "Other differences, such as a relatively short snout, proportionally long neck, and short tail indicate that these two relatives had different ecological preferences," says Tsogtbaatar Chinzorig, a paleontologist at the North Carolina Museum of Natural Sciences and a coauthor of the study. Its arm bones are more robust and stockier, tipped with large, curved claws. It also had stout hands that imply a strong grip. Precisely how Shri used its arms and claws is unclear, though the researchers suggest it may have grappled with and grasped other dinosaurs like the horned herbivore Protoceratops. Bitten Protoceratops bones and a famous fossil of Velociraptor and Protoceratops locked in fossil combat, called the "Fighting Dinosaurs," hint that the pig-like horned dinosaurs were prey for dromaeosaurs like Shri. Michael Pittman, a paleontologist at the Chinese University of Hong Kong who was not involved in the research, says the authors' hypothesis is reasonable, and that biomechanical studies of the dinosaur's arms can potentially test the idea. He also calls the specimen, "beautiful and well-preserved." The likelihood Shri rapax and Velociraptor lived alongside each other points to a phenomenon called "niche partitioning." Closely related species can sometimes share the same landscape when they have different dietary preferences and behaviors, like how the island of Madagascar hosts many different lemur species that live in different habitats and eat different foods. Evolving different specializations allow related animals to divide habitats in different ways, boosting biodiversity. In the case of the dinosaurs, the anatomical differences between Shri and Velociraptor indicate that the carnivores were likely also part of such an ecological interplay. Returning Shri rapax home Because Shri's skeleton was poached and sold with no geological information, paleontologists are unsure exactly from where the dinosaur was excavated, beyond its clear origin from Mongolia's Djadokhta Formation. The fact that scientists have been able to study, describe, and begin to understand Shri rapax is a victory for paleontology and an effort to push back against black market fossil dealings. "This case highlights yet another instance of fossil poaching," Chinzorig says, "part of a long-standing pattern of illegal smuggling of fossils from the Mongolian Gobi over the decades." It's essential that such fossils are returned, Chinzorig says, both to build scientific knowledge about the prehistoric past and to respect Mongolia's fossil heritage. If the smuggled fossil had remained in private hands, scientists would not know this new dinosaur, its relationships, or anything about the role it played in its prehistoric ecosystem. "Scientific value aside," Cau adds, "I am really happy to give some help in returning these dinosaurs home." And by introducing Shri rapax to the world, the paleontologists may, with luck, help return its missing head home.

Smithsonian exhibit monkeys around with the scientific evidence on human origins
Smithsonian exhibit monkeys around with the scientific evidence on human origins

New York Post

time6 days ago

  • New York Post

Smithsonian exhibit monkeys around with the scientific evidence on human origins

The Trump Administration recently called out the Smithsonian Institution for pushing 'one-sided, divisive political narratives,' leading GOP Sen. Jim Banks last week to introduce a bill prohibiting the Smithsonian from promoting woke ideology, as The Post exclusively reported. But American history isn't the only domain in which the Smithsonian, with an ideological ax to grind, advances misinformation. The National Museum of Natural History's Hall of Human Origins vastly distorts the scientific evidence on human evolution, seeking to convince visitors that there's nothing special about us as human beings. 'There is only about a 1.2% genetic difference between modern humans and chimpanzees,' the exhibit starts, with large photos of a human and apes. 'You and chimpanzees [are] 98.8% genetically similar.' 6 The Trump Administration recently called out the Smithsonian Institution for pushing 'one-sided, divisive political narratives.' Shutterstock / Paulm1993 No doubt you've heard this statistic before because many science popularizers say the same thing. Yet it's been known for years that these numbers are inaccurate. Thanks to a groundbreaking April paper in the journal Nature, we know just how wrong they are. For the first time, the paper reports 'complete' sequences of the genomes of chimpanzees and other apes done from scratch. When we compare them to humans, we find our genomes are more like 15% genetically different from chimpanzees'. That means the true genetic differences between humans and chimps are more than 10 times greater than what the Smithsonian tells us. The museum distorts human origins in other areas, too. Again, the purpose is to diminish the exceptional place of humans in nature. 6 The David H. Koch Hall of Human Origins exhibit is seen at the Smithsonian's National Museum of Natural History in Washington. AP The museum's Human Origins fossil hall claims the ancient species Sahelanthropus tchadensis was an 'early human' that walked 'on two legs.' But leading paleoanthropologists sharply dispute this claim. A Nature article found that 'Sahelanthropus was an ape,' and many features 'link the specimen with chimpanzees, gorillas or both, to the exclusion of hominids.' A 2020 Journal of Human Evolution paper showed that Sahelanthropus' femur was like that of a chimp-like quadruped — in other words, it didn't walk upright, and it wasn't a human ancestor. 6 The Smithsonian exhibit presents ape-like australopithecines as 'early humans' who walked upright 'on the ground' much like us, but many scientists don't agree with this characterization, according to reports. Courtesy of Casey Luskin Similarly, the Human Origins exhibit presents the ape-like australopithecines as 'early humans' who walked upright 'on the ground' much like us. Some paleoanthropologists agree. But other scientists strongly disagree, pointing out that some australopithecines showed evidence of ape-like knuckle-walking and only limited capacity for running. Their upright-walking ability was likely best suited for walking along tree limbs, not 'on the ground' exactly like we do. Large questions remain about how they walked, and the Smithsonian gives no hint of the scientific controversy. 6 The museum had a display of *Australopithecus africanus* bust in 2010. Courtesy of Casey Luskin The museum's hominid reconstructions also humanize apes while ape-ifying humans. Australopithecus afarensis (the iconic 'Lucy') is portrayed thoughtfully gazing up at the sky, while Australopithecus africanus is presented smiling, perhaps at a friend's wry remark. Yet australopithecines had brains about the size of a chimp's, and there's no fossil evidence they were capable of abstract thought — or humor. We should remember the famed Harvard anthropologist Earnest Hooton's declaration that 'alleged restorations of ancient types of man have very little, if any, scientific value and are likely only to mislead the public.' 6 The exhibit asserts that humans and chimpanzees are '98.8% genetically similar,' but recently published research found our genomes are more like 15% different from chimpanzees. Courtesy of Casey Luskin The Smithsonian's exhibit also gives scientifically misleading support to the idea humans evolved slowly — saying 'we became human gradually,' much as Darwin imagined, from 'earlier primates.' Again, the result is to blur distinctions between us and other creatures. Yet the great Harvard evolutionary biologist Ernst Mayr acknowledged there is a 'large, unbridged gap' in the fossil record between the australopithecines and the first humanlike members of our genus, Homo. In his words, we're in a position of 'not having any fossils that can serve as missing links.' One scientific commentator even said this evidence calls for a 'big bang theory of human evolution.' Why doesn't the Smithsonian disclose any of this information? 6 July marks the 100th anniversary of the Scopes 'monkey' trial. AP This month is the centennial of the Scopes 'monkey' trial, remembered as a warning against hiding scientific information about human evolution. How ironic that 100 years later, the nation's premier science museum obscures scientifically objective data on the very same subject. To fail to correct this exhibit is to use taxpayer money to miseducate the public about a question of profound scientific, sociological, and philosophical importance. Casey Luskin is the Discovery Institute Center for Science and Culture's associate director and co-author of the book 'Science and Human Origins.' He holds a geology Ph.D. from the University of Johannesburg.

DOWNLOAD THE APP

Get Started Now: Download the App

Ready to dive into a world of global content with local flavor? Download Daily8 app today from your preferred app store and start exploring.
app-storeplay-store