Articles tagged with Animals
Researchers from Max Planck Institute tracked the heart rates of male common noctule bats during flights, revealing a significant increase in heart rate from 6 to 900 beats per minute. The study found that bats consume up to 42% more energy in summer compared to spring, and develop unique strategies to survive in different seasons.
A new study reveals the crucial roles of fish and invertebrates in coral reef health, including nutrient boosting and predator protection. However, parasitic snails and destructive crab species also pose a threat to these vital ecosystems.
A newly discovered fossil, Gaiasia jennyae, reveals a giant salamander-like creature that was a top predator in the ice age before dinosaurs. The creature's unique features, including its toilet seat-shaped head and interlocking jaws, suggest it was an ambush predator.
Research reveals that environmental and behavioral factors such as the presence of children, play levels, and personality traits significantly impact cats' scratching behavior. Providing safe hiding places, elevated observation spots, and ample play opportunities can help alleviate stress and engage cats in constructive activities.
Human disturbance disrupts leopard-hyena competition, favoring hyenas. The study shows that male leopards retain dominance over hyenas but female leopards change behavior due to size disadvantage. Human expansion poses threat to leopards' survival and ecosystem balance.
A new study reveals that what was once known as the nine-banded armadillo is actually four distinct species, including one new species found in northeastern South America. The classification change affects armadillos in Mexico and the US states, with some now being called the Mexican long-nosed armadillo.
Climate change may enable parrot colonization in Polish cities due to rising temperatures and altered ecosystems. The frequency of escaped parrots in urban areas could be an early sign of this phenomenon.
A recent study reveals that some honeybees exhibit superior learning abilities compared to others, which may be attributed to distinct gene expression patterns in their brains. The research explores the behavioral and genetic underpinnings of individual differences in learning performance among Apis mellifera.
Researchers found that housing compatible shelter dogs together can significantly reduce stress in the dogs. The study also showed that this approach may lead to faster adoption rates for the dogs.
A noncoding gene has been identified as the deciding factor in determining sex in Argentine ants, with a specific genomic region being crucial to this process. The gene does not encode a protein but rather produces an RNA that influences sex determination.
A study found that the sweat bee H. rubicundus is less sociable in Scotland than in Cornwall, exhibiting genetic differentiation and isolation. The authors explored this phenomenon in the context of the species' adaptability to extreme latitudes.
Studies led by the University of Texas at Austin researchers found that bird song and human voice share a common genetic link, with the syrinx and larynx having similar developmental programming. This discovery highlights the shared ancestry between birds and humans in terms of vocal organ structure.
Mantis shrimp use their tail coils as shields to reduce the impact of rival blows, dissipated more energy than their armor can absorb. Researchers found that this behavioral adaptation increases energy loss by up to 90%
Researchers discovered lemurs possess an additional pair of vocal folds, which they believe is responsible for enriching their vocal repertoire and allowing them to exaggerate their size. This adaptation may have provided a selective advantage in competition for territory or mates.
A new study has reconstructed the ancient giant salmon with tusk-like teeth, previously thought to be 'saber-toothed'. The teeth actually pointed sideways out of the fish's mouth, similar to a warthog. This discovery sheds light on the species' possible uses for these massive spikes.
Researchers observed a rare instance of lemur predation by a fosa in the Betampona Strict Nature Reserve. The impact of this predation, combined with low reproductive rates and genetic isolation, poses significant threats to the survival of critically endangered lemurs.
Researchers investigated how watching videos affects attitudes toward rattlesnakes, finding that younger people and those with more snake experience were less receptive to the change. The study revealed variations in response to different messaging styles, highlighting individual differences in perception.
Researchers discovered that rats without prior knowledge of numbers can develop a sense of numbers when trained with sounds representing two or three numbers. The study found that the brain has a specific area for dealing with numbers, which is separate from the processing of magnitude.
Scientists have discovered a new ghostly slender ant species, Leptanilla voldemort, in the Pilbara region of north-western Australia. The species' unique morphology and sharp jaws suggest it may be a predator that exploits subterranean refuges.
A new study reveals that wildebeest populations which no longer migrate are less genetically healthy and more prone to decline. The loss of migration routes due to fencing and roads leads to lower genetic diversity, increased inbreeding, and reduced fertility.
Research at the University of Oxford discovered that socially connected great tit birds are more likely to use new foods, consuming twice as much novel food as less sociable individuals. This trend suggests that social birds expand their diets to mitigate competition costs, not increased exploratory behavior.
Recent research reveals that social factors control ant queens' specialization in egg-laying and maintain it in established colonies. Founding queens assume multiple tasks before becoming specialized.
Researchers discovered how honeybees interpret dances that relay directions to food, even in complete darkness. By analyzing bee movements and antennae signals, scientists found a neural mechanism that combines sensory data from the two systems.
Researchers used isotope analysis to identify the origins of elite horses in medieval London, finding half had diverse international origins. The horses, used in jousting tournaments and status symbols, were sourced from Europe specifically for their height and strength.
A new species of fossil bird, named Imparavis attenboroughi, has been discovered in northeastern China and is the first of its kind to evolve toothlessness. The bird's unique wing bones suggest it may have had strong wing beats and could have foraged on both trees and ground.
Researchers observed an individual orca, nicknamed Starboard, killing a 2.5-meter juvenile great white shark within two minutes. The study challenges conventional cooperative hunting behaviors among killer whales, providing new insights into their predatory dynamics and potential impact on marine ecosystems.
Conservationists have initiated a breeding program in Vietnam to recover the spotted softshell turtle population threatened by overconsumption and habitat loss. The species is critically endangered, with no populations found in protected areas, highlighting the need for further conservation efforts.
A new study by George Washington University researchers found that people make instant judgments about unknown dogs based on their facial appearance. The study's lead author, Courtney Sexton, suggests that better understanding canine and human communication is crucial as these animals play increasingly important roles in society.
A new species of rare pseudoscorpion, Olpium caputi, has been discovered in French Polynesia and named after Slovak President Zuzana Čaputová. The species was collected on the island of Tahiti and is the first new record for the region.
A new study from the University of Ottawa proposes using vanoxerine, a drug initially developed for cocaine addiction, to potentially treat advanced colon cancer. Vanoxerine has been found to suppress cancer stem cell activity in colon cancer patients' tissues and tumours implanted in laboratory animals. The drug works by interfering w...
Scientists discovered a common trait among flying birds, including the number of primary feathers, to determine their evolutionary history. The finding provides clues about dinosaur flight and may inform debates on its origins.
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
Detailed CT scans reveal the worm-lizard's skull anatomy, including sutured bones and a singular central tooth. Researchers also discovered sexual dimorphism in one species, confirming their findings through powerful jaw muscles.
Researchers at the University of Sydney have developed a method to shield plants from herbivorous mammals by fooling them with artificial odors, mimicking plants they naturally avoid. This approach is more humane and low-cost than current methods, and shows promise for protecting valuable plants globally.
A new review of international research highlights the dangers of forced separation from pets in crisis situations like domestic violence, homelessness, or natural disasters. The study found a lack of support services puts people and animals at risk of distress and harm.
A new study published in Palaeontologia Electronica shows the Megalodon was more slender than earlier studies suggested, changing our understanding of its behavior and impact on ancient ocean life. The revised model suggests a longer digestive canal, potentially leading to less predation pressure on other marine creatures.
A recent study found that climate warming is altering carbon flow and food web dynamics in Arctic tundra and boreal forest ecosystems, with fungi replacing plants as the main energy source for animals. This shift has significant implications for ecosystem function and animal responses to climate change.
A study of 123,000 individuals found that low-carbohydrate diets emphasizing whole grains and plant-based foods are associated with slower weight gain in the long term. Low-carb diets relying on animal-sourced proteins and refined carbohydrates result in faster weight gain.
Researchers have discovered that insect larvae already used various anti-predator strategies, such as spines, hairs, and camouflage, in the Cretaceous period. These findings provide insights into the evolution of defense mechanisms in insects and shed light on the ongoing biodiversity crisis.
A new study reveals that humans have driven the extinction of 1,430 bird species, with many becoming extinct before written records. The research suggests that major human-driven extinctions occurred in the 14th century and ninth century BC, with ongoing threats including climate change and invasive species.
Researchers used genetic information from 104 aardvark poop samples to study their distribution and movement across the African landscape. They found regional divisions and larger home ranges, but also restricted movement through arid areas due to climate change.
Researchers discovered that reindeer's vision evolved to spot Cladonia rangiferina, a type of lichen, during winter. This adaptation allows them to conserve energy by finding food from a distance, making it easier to survive in cold environments. The study provides new insights into the extraordinary visual system of reindeer.
A study found that migratory bats are sensitive to the angle of magnetic inclination and use it for navigation. The soprano pipistrelle bat species calibrated its internal compass at sunset, taking into account both the horizontal component and inclination of the Earth's magnetic field.
Research from Michigan State University reveals that spotted hyenas form mobs based on strong social relationships and can cooperate even when there's no obvious benefit. The study found that female hyenas were more likely to join mobs when there were no male lions present.
A new study compiled over 600,000 records from US and Canadian wildlife rehabilitation centers to investigate the threats facing more than a thousand species by region, highlighting human activities such as climate change and extreme weather events
Scientists have observed wolves directly hunting and consuming sea otters and harbor seals in Alaska's Katmai National Park. This new evidence challenges previous assumptions about wolf behavior and diet. The study highlights the unique role of wolves in nearshore ecosystems in Alaska.
Researchers studied over 100 noctilionoid bat species, finding that different dietary types drove modifications in tooth number, size, shape, and position. For instance, fruit-eating bats have shorter jaws with reduced middle premolars, while nectar-feeders have longer jaws with room for more teeth.
Researchers investigated rooster mirror self-recognition, finding that their behavior indicates recognition despite failed traditional tests. The study's results provide new insights into the cognitive ecology of mirror self-recognition in birds.
A new study finds that consumers are willing to pay more for pork with improved animal welfare, but not necessarily a lower carbon footprint. The majority of respondents prioritize animal welfare over climate considerations.
A study published in Ecology Letters reveals that global precipitation patterns, particularly seasonal variability, shape animal diversity. The research found that certain regions with moderate precipitation levels and stable climates have the ideal ecological conditions for a diverse range of predators and herbivores.
Researchers found 13 mummified leaf-eared mouse cadavers atop 4-mile-high volcanoes, with DNA analysis revealing a distinct population from lower-altitude mice. The discovery suggests the rodents ascended without human assistance and have adapted to extreme conditions.
A new study reveals that periodical cicada emergences have a cascading effect on forest ecosystems, shifting bird diets and leading to increased abundance of caterpillars and subsequent leaf damage. This research has implications for bird conservation and understanding the interconnectedness of complex food webs.
New research finds that pied tamarins increase scent marking in response to urban noise pollution, which affects their vocal communication. This adaptation may help them cope with the impact of human activity on their habitat.
A new species of spiny mouse, Neacomys marci, has been identified in northwestern Ecuador. The discovery sheds light on the previously underestimated diversity of the Spiny Mouse genus.
A trained detection dog was found to be more accurate and efficient than humans in detecting sea turtle nests in Florida. The study indicates the potential of using dogs for nest monitoring, which could improve conservation efforts for three sea turtle species.
A new species of orb-weaving spider, Venomius tomhardyi, has been described from Tasmania. The genus belongs to the Araneidae family and is distinct from related genera due to its unique behavior and genitalia.
Sperm and northern bottlenose whales frequently feed on live halibut escaping from a deep-sea trawler net. The study found that these whales were only spotted when the catch was Greenland halibut, not redfish or thorny skate.
A review of 82 studies found human activities influencing insect habitats, leading to declines in Central and Western Europe. Agricultural activities, urbanization, and climate change are identified as primary drivers of observed changes in insect populations.
The invasive orange pore fungus has won the third BMC Ecology and Evolution image competition, highlighting its potential threats to Australian ecosystems. The winning image depicts bright orange fruiting bodies growing on deadwood in the Australian rainforest.
A study led by Max-Planck-Gesellschaft researchers uncovered the conditions that trigger curiosity in wild orangutans, including social and environmental factors. Young orangutans were more likely to observe and approach novel objects, while the presence of association partners increased their curiosity.