The Society of Vertebrate Paleontology joins co-plaintiffs in suing the Trump Administration for shrinking Bears Ears National Monument, which lost nearly 3 million acres of national monument protections. The organization asserts that the President's proclamation reducing Bears Ears was illegal and violates the Antiquities Act.
The Society of Vertebrate Paleontology emphasizes that scientifically significant vertebrate fossils should be permanently curated in accredited museums and universities to ensure their long-term scientific value and accessibility. These institutions provide a platform for ongoing research, education, and public exhibition.
A team of divers has discovered a wealth of fossil remains in Mexico's Hoyo Negro cave, shedding light on the region's ecosystem during the end of the last Ice Age. The finds include early human remains, giant ground sloths, and saber-tooth cats.
The Institute for the Study of Mongolian Dinosaurs' Moveable Museum travels across rural Mongolia, offering engaging exhibits and workshops to promote paleontology and protect local fossils. The museum aims to inspire local kids to become paleontologists and support conservation efforts.
A new study compares the recovery of land-dwelling vertebrates from different localities in southern Pangaea, finding stark differences in ecological diversity levels. The research suggests that carnivores and archosaurs were diverse and abundant in Zambia and Tanzania but relatively uncommon or absent in South Africa.
Researchers shed light on the extinct cave bear's primarily herbivorous diet and small brain relative to its body size. New studies suggest a less energy-rich diet and highly seasonal environment contributed to its unusually small brain, with findings also indicating longer gestation periods and slower sexual maturity.
Researchers used synchrotron microtomography to analyze fossilized feces, providing clues on ancient food webs and ecosystems. The study reveals delicate remains of beetles and fish in coprolites from the Upper Triassic bone beds in Poland.
Researchers studying a 400 million year old bony fish from Estonia believe they have found evidence for the origins of teeth using advanced synchrotron microtomography. This discovery may cast light on the possible origin of teeth from dermal odontodes, and evolutionary relationship between dentitions of all jawed animals.
A newly discovered dinosaur fossil from Mongolia shows three juvenile oviraptors roosting together, suggesting a unique behavior among bird-line theropods. The specimen provides valuable insights into the origins of communal roosting in birds and sheds light on the social habits of ancient dinosaurs.
A new study found that Solenodon, a venomous shrew-like mammal, has survived human arrival in the Caribbean by adapting to a flexible diet. The research suggests that this flexibility allowed Solenodon to thrive despite human-induced climate change and invasive species on the islands.
A team of paleontologists discovered a 40-million-year-old sirenian fossil in a Spanish paving stone, providing insights into the evolution of ancient marine mammals. The 'Girona Sea Cow' is believed to be one of the oldest sea cow fossils found in Europe.
A 110-million-year-old snake-like reptile fossil from Brazil, named Tetrapodophis, has been reexamined by researchers. The fossil lacks many key snake features, such as recurved teeth and a snake-like skull, instead displaying traits similar to water-dwelling reptiles.
A genuine fossilized brain from a 133 million-year-old dinosaur has been discovered in Sussex, England, revealing remarkable preservation of the fine network of blood vessels. The brain structure and meningeal arrangement show striking similarity to modern birds and crocodilians, suggesting functional parallels.
Researchers modelled the locomotion of early tetrapods using a living mudskipper and robot simulator. They found that tail use greatly improved terrestrial locomotor performance on soft substrates, especially on slopes and sandy surfaces.
Researchers discovered that giant extinct salmon used their large spike-like teeth for fighting and display against each other during the breeding season. The findings indicate a significant change in tooth shape before migration, suggesting these fish underwent developmental changes prior to migrating upriver.
A team of scientists used chemical composition of fossil eggs to determine if they were laid by different mothers, finding that oviraptorid dinosaurs exhibited communal nesting behavior. The study sheds light on the evolutionary history of this unique behavior.
A new study suggests that early tetrapod ancestors may have been seeing like land-based animals before they were moving like them. The research found that large eyes evolved in aquatic tetrapods millions of years before the animals were fully terrestrial, allowing for a greater visual range and diverse behavior.
Scientists have discovered a new species of fossil crocodile that had complex, mammal-like teeth, which allowed it to crunch through the exoskeletons of insects. The tiny 'crocodile' was less than 2 feet in length and lived in the Kem Kem Beds in Morocco during the Cretaceous period.
A team of international scientists has created the first 3D atlas of the dodo's skeletal anatomy, using two exceptional skeletons that have remained unstudied for over a century. The atlas provides accurate relative proportions and describes several previously unknown bones, opening new pathways for paleobiology and evolution research.
A newly discovered skeleton of the hyaenodontid Galecyon provides insight into the ecology and evolution of early mammalian carnivores. The study reveals diverse habitat preferences among early hyaenodontids, explaining how they coexisted despite similar diets and body sizes.
Fossils of ancient sharks estimated to be between 18 and 26 feet in length, with the largest specimen being 25% bigger than today's largest predatory shark. The discovery pushes back the fossil record of giant sharks by 170 million years.
Researchers have discovered that ancient elasmosaurs, such as Aristonectes and Morturneria, used a comb-like structure in their jaws to strain out food particles from the water. This unique feeding style is similar to that of modern baleen whales and allows for efficient collection of food particles.
A new study on the fossil bone growth of Ophiacodon, a distant relative of mammals, reveals that it was at least partly 'warm-blooded', challenging the long-held theory of its origin. The findings suggest that mammalian endothermy evolved earlier than previously thought, dating back to the late Carboniferous period.
Paleontologists discover two new transitional species of duckbilled dinosaurs with intermediate characteristics, suggesting a shift in growth patterns and development over time. The findings provide insights into the evolution of hadrosaurid dinosaurs, highlighting the importance of heterochrony in understanding evolutionary processes.
Researchers analyzed over 500 mummified seal remains to understand the impact of changing ice conditions on their diet and ecology. Crabeater seals showed little isotopic change, while Weddell seals underwent a shift in dietary values, indicating adaptations to a changing environment.
The study found that mammal body size decreased by 10-20% during warm periods in the Bighorn Basin, with some lineages experiencing dwarfing. The findings add to evidence of a link between climatic change and animal populations.
A new fossil discovery of an adolescent Tyrannosaurus rex fills a critical gap in the species' growth stages, supporting research on its evolution. The find, named 'Jane', shows features intermediate between juvenile and adult T. rex, resolving decades-long debate.
Researchers discovered that dinosaurs utilized their elaborate nasal passages as heat exchangers to maintain optimal brain temperatures. This innovative mechanism allowed them to regulate their body temperature efficiently, solving the long-standing puzzle of how dinosaurs kept their brains from overheating despite their large bodies.
Researchers found a decrease in weaning age among fossil mammoths, suggesting human overhunting was the primary cause of their extinction. The study used nitrogen isotopes preserved in tusks to estimate weaning ages and found a significant decrease from 7 to 4 years.
New data suggests that ancient humans played a role in the extinction of large mammals, birds and lizards in Australia. The study's findings place human predation as the most likely cause, with a 10,000-year lag between human arrival and impact on megafauna.
Fossil skulls from 35 million year old sediments in Antarctica have shed light on the changes in penguin brains that accompanied their transition to water. The findings indicate that early penguins had many of the adaptations of living forms, while having a few unique traits not seen in modern ones.
A new species of terror bird, Llallawavis scagliai, has been discovered with exceptionally preserved fossils revealing details about its anatomy and sensory capabilities. The study provides insights into the evolution, behavior, and ecology of this group of fossil birds.
A new fossil analysis reveals that Vintana sertich was a badger-sized, herbivorous animal with keen senses of smell and vision. The study sheds light on the diversity of Mesozoic mammals and their paleoecology.
Ankylosaurs had a unique nasal structure that allowed them to regulate their body temperature. The long, winding passageways would have warmed the inhaled air and cooled the blood before it reached the brain. This adaptation likely helped maintain the dinosaur's stable brain temperature.
A new study reveals that competition with ungulates, intensified by climate change, is the main reason for lagomorphs' limited diversity. Fossil records show that lagomorphs were capable of becoming larger than today, but were suppressed by the presence of competitors.
A nearly complete 9,300-year-old frozen bison mummy was recently uncovered in Eastern Siberia. The Yukagir bison mummy has a preserved brain, heart, blood vessels, and digestive system, providing valuable insights into the biology of the species at the end of the Ice Age.
A new study suggests that pterodactyls' inability to take off with wingspans over 12m led to their size limits. The research used computer modeling and found that even the largest pterosaur models could sustain flight using intermittent powered flight, but took-off proved too challenging.
A 47 million-year-old horse fossil in Germany preserves the uterus and an unborn foal, revealing that early horses had a similar reproductive system to modern horses. The discovery provides valuable insights into the evolution of equine reproduction.
Researchers used 3D laser scanning to study the only known complete dodo skeleton, revealing new details on its behavior, size, and evolution. The study provides insights into how the flightless dodo may have evolved its giant size and locomotor mode.
New research reconstructs Archaeopteryx feather color as matte black with darker tip, shedding light on fossil preservation. Advanced imaging technologies provide definitive proof of melanosomes in fossil record.
The Catoca diamond mine in Angola revealed 118 million-year-old dinosaur and crocodile tracks, with the largest mammalian track attributed to a raccoon-sized animal. No fossil bones or teeth of such an animal have been found elsewhere in Africa or the world.
Researchers employed high-resolution X-ray CT scanning and digital visualization techniques to restore a complete skull of the 3-4m herbivorous dinosaur Erlikosaurus andrewsi. The team digitally dissected the skull, filling in breaks and cracks, duplicating missing elements, and reversing deformation, resulting in a life-like restoration.
A new fossil dolphin species from the Miocene era has been discovered in Peru, shedding light on the history and relationships of river dolphins. The species, Huaridelphis raimondii, is part of a rare extinct family, squalodelphinids, which are related to endangered Ganges and Indus river dolphins.
A new study reveals ancient hedgehog and tapir fossils from Driftwood Canyon Provincial Park in British Columbia, which lived around 52 million years ago. The discovery fills a significant gap in the geographic distribution of mammals during this period.
A new study re-describes the oldest species of dolphin, Eodelphis kabatensis, shedding light on their origins and evolution. The discovery resolves a discrepancy between fossil records and molecular-based studies, providing crucial insights into the evolutionary history of dolphins.
Fossils from the Middle-Upper Jurassic Period in northeastern China have revealed an exceptional window into life approximately 160 million years ago. The Daohugou Biota contains superbly preserved specimens of a diverse group of amphibian, mammal and reptile species.
New fossils from Belgium have revealed the earliest known ancestor of modern carnivores, with species such as lions, tigers and bears tracing their ancestry to primitive carnivorous mammals. The new specimens, including over 250 teeth and ankle bones, provide valuable insights into the evolutionary history of these iconic animals.
A new, giant species of extinct platypus, Obdurodon tharalkooschild, has been discovered in Australia. The estimated length of the species is nearly a meter, twice that of the modern platypus. The fossil record suggests that platypuses became smaller and reduced their teeth through time.
Researchers discovered that the giant Triassic amphibian Metoposaurus had a two-seasonal climate and needed water for its lifestyle. The species used broad, flat head and forearms to burrow under the ground during dry season, while its growth pattern revealed unique adaptations.
A new study reveals that a Pangean desert supported a unique fauna, including the giant pareiasaur Bunostegos, which sported large, bulbous skulls resembling modern giraffe horns. The discovery supports the theory of central Pangea being climatically isolated, allowing this relict fauna to evolve distinct anatomical features.