Quirky Lounge: QL: Nature and Wildlife

Showing posts with label QL: Nature and Wildlife. Show all posts

These Ants Perform Life-Saving Operations on Injured Nestmates, Similar to Humans

Credit: Emmett Collins-Sussman / iNaturalist / CC BY 4.0

Researchers have discovered that Florida carpenter ants perform sophisticated medical care on injured nestmates, including amputations. Ants can diagnose wounds, distinguishing between infected tibia injuries and femur injuries. For tibia wounds, they clean extensively, raising survival rates from 15% to 75%. For femur wounds, they amputate the leg after cleaning, boosting survival from 40% to 90%. The procedure involves licking, biting, removing the limb, and cleaning the new wound, taking about 40 minutes. This innate, cooperative behavior rivals human medical systems, showing ants’ remarkable ability to prevent lethal infections and enhance colony survival through complex, instinctive healthcare practices

For these dolphins, using sponges to dig up fish is a family tradition

Meredith MacQueeney / Shark Bay Dolphin Research Project / The Associated Press

In Shark Bay, Australia, a small group of bottlenose dolphins practice “sponging,” a rare tool-use tradition where they wear sea sponges on their noses to uncover hidden fish. First observed in 1984, the behavior is passed matrilineally from mothers to calves, with only about 30 dolphins (5% of the population) engaging in it. Though effective, sponging is time-consuming, difficult to master, and distorts echolocation, making it a skill requiring years of practice. Despite these challenges, successful spongers gain steady access to non-migratory, nutrient-rich fish with little competition, highlighting the unique cultural and ecological adaptations of dolphins in pristine Shark Bay

Read more: For these dolphins, using sponges to dig up fish is a family tradition | CBC Radio

Plants let out secret high-pitch screams when stressed

Credit: Lorenzo Ranieri Tenti

Researchers at Tel Aviv University have discovered that plants emit ultrasonic sounds when stressed, comparable in volume to human conversation but too high-pitched for humans to hear. Using microphones, they recorded tomato and tobacco plants in both soundproof chambers and noisy greenhouses. When deprived of water or cut, plants produced 30–50 clicks or pops per hour, while unstressed plants emitted far fewer. A machine-learning algorithm successfully distinguished between sounds from thirsty, cut, or healthy plants, and even identified which plant produced them. The mechanism behind these noises is unclear, though scientists suspect bursting air bubbles inside plant tissues. While humans cannot hear them, insects and mammals likely can, suggesting plants may participate in acoustic communication with their environment. This could help animals decide where to feed or lay eggs, and even allow nearby plants to prepare for stress. The findings highlight hidden layers of plant interaction and resilience

Read more: Plants let out secret high-pitch screams when stressed - BBC Science Focus Magazine

Glacier Power: How are Glaciers Strange?

Credit: istockphoto mokattan

The NASA Earthdata page explores the unusual phenomena and forces associated with glaciers. Glaciers are portrayed as dynamic, almost living entities that produce distinctive sounds and host unique life forms. Ice sizzles resemble the crackling of cereal or soda, while ice quakes signal crevasse formation with hissing or cracking noises. Moulins, deep holes in glaciers, roar as water flows through them. Beyond sound, glaciers sustain tiny creatures like glacier fleas and ice worms, which thrive in cold environments by feeding on algae and pollen. Fossils can remain trapped in ice for millennia, preserving ancient history. The page also highlights glacier surges, such as the Hubbard Glacier in 1986, where ice movement blocked fjords and created lakes. These surges can accelerate glacier flow dramatically, sometimes ending in catastrophic jokulhlaups—sudden floods from stored subglacial water. Together, these phenomena reveal glaciers’ immense power, strangeness, and ecological importance

Read more: Glacier Power: How are Glaciers Strange? | NASA Earthdata

Octopuses Have Been Spotted Throwing Objects at Fish

Credit: Depositphotos

Scientists have recently documented octopuses deliberately throwing objects such as shells and silt at fish and even other octopuses. This unusual behavior, observed in natural habitats using underwater cameras, suggests complex cognitive abilities and possible social communication. Researchers propose several reasons: defending territory, deterring intruders, or expressing frustration. The findings highlight octopuses’ intelligence, tool use, and environmental manipulation, comparable to behaviors in birds and mammals. This discovery challenges assumptions about invertebrate cognition, expands understanding of animal intelligence, and underscores the importance of conserving octopus habitats. Future studies aim to explore their social interactions and communication further

Read more: Octopuses Have Been Spotted Throwing Objects at Fish - Animals Around The Globe

Nature's Underground Economy: Plants & Fungi Trading Networks

Credit: Science Array

Mycorrhizal networks, vast underground systems linking plants and fungi, function like hidden marketplaces. Plants provide carbon in the form of sugars, while fungi trade back essential nutrients such as nitrogen, phosphorus, and water. These exchanges follow supply-and-demand dynamics, with different fungal strategies shaping ecosystems: arbuscular fungi dominate agriculture, while ectomycorrhizal fungi thrive in forests. Networks connect multiple plants, redistributing resources but also allowing cheating and manipulation. Climate change threatens their stability, yet harnessing them in farming and forestry could boost resilience. These ancient trading systems, operating for 400 million years, reveal nature’s enduring economic logic.

Read more: Science Array

Besides Santa, Who Rides on Reindeers?

Credit: @SpritScienceOffical

Traditions of the Tsaatan people, an Indigenous community in northern Mongolia who continue the ancient practice of reindeer herding. A young Tsaatan woman is shown riding a reindeer across rugged terrain, symbolizing the deep bond between humans and animals in this culture. For the Tsaatan, reindeer are not merely livestock but companions essential for transport, food, clothing, and cultural identity. However, their way of life faces growing threats from climate change, tourism, and economic pressures, endangering both the reindeer and the cultural heritage tied to them. With only a few hundred Tsaatan remaining, the loss of reindeer herding would mean the disappearance of a worldview rooted in cooperation with nature. The post emphasizes the urgency of preserving this fragile tradition, framing it as part of a broader struggle to protect living cultures before they vanish under modern expansion.

Flat-Headed Cat Not Seen In Thailand For Almost 30 Years Is Rediscovered

Credit: DNP/Panthera Thailand

The flat-headed cat (Prionailurus planiceps), a rare and endangered species, has been rediscovered in Thailand after nearly 30 years without confirmed sightings. Researchers captured images of the elusive feline using camera traps in the Thale Noi Non-Hunting Area, a wetland in southern Thailand. Known for its small size, flattened skull, and adaptations for hunting fish, the cat is listed as endangered due to habitat loss and pollution. Its rediscovery offers hope for conservation efforts, highlighting the importance of protecting wetlands and biodiversity in Southeast Asia. Scientists stress urgent action to safeguard this species from extinction.

Capybaras with Other Animals: Do They Really Get Along with Everyone?

Henner Damke/Shutterstock.com

Capybaras, the world’s largest rodents, are beloved for their gentle and social nature. Living in herds of 10–20 (sometimes up to 100), they spend much of their time near rivers and ponds, engaging in synchronized swimming and constant chatter. Their calm temperament allows them to coexist peacefully with many species, often napping beside turtles, ducks, monkeys, and even crocodiles. Birds and monkeys frequently ride on their backs, while yellow-headed caracaras provide grooming services by removing ticks. Capybaras have even “adopted” orphaned animals, with one famous capybara named Cheesecake fostering puppies, kittens, deer, and more. Despite their friendliness, they face predators such as jaguars, caimans, and anacondas, and in some regions, humans consume their meat. As pets, capybaras require companionship, large outdoor spaces, and access to water, making them high-maintenance but rewarding companions. Their cost ranges from $1,500 to $5,000 depending on age, health, and breeding.

Read more: Capybaras with Other Animals: Do They Really Get Along with Everyone? - A-Z Animals

This Alaskan Frog Freezes Solid Every Winter, Then Comes Back to Life

Viktor Loki/Shutterstock.com

Alaskan wood frogs possess a remarkable survival strategy: they freeze solid each winter, halting heartbeat, breathing, and brain activity, yet revive quickly in spring. Their adaptation relies on ice-nucleating proteins and glucose, which acts as antifreeze, preventing lethal ice crystal damage. This controlled freeze allows them to endure up to seven months in suspended animation, appearing clinically dead. Once temperatures rise, they thaw evenly, restart vital functions, and immediately begin mating. Found as far north as the Arctic Circle, these frogs exemplify resilience. Their unique biology offers promising insights for organ preservation and emergency medicine.

Butterflies Taste With Their Feet

Credit: Image by Openverse

Butterflies possess a remarkable ability to taste with their feet through specialized sensory organs called chemoreceptors located on their tarsi. These tiny hair-like structures, known as sensilla, detect chemical compounds when butterflies land on flowers, fruits, or leaves. This adaptation helps them identify food sources, conserve energy by only extending their proboscis when nectar is present, and select suitable host plants for egg-laying. Females are especially sensitive, ensuring caterpillars hatch on the right plants. This evolutionary trait, refined over millions of years, highlights butterfly-plant coevolution and faces modern threats from pesticides and environmental toxins that disrupt their sensory systems

Read more: Butterflies Taste With Their Feet

Are Sharks Older Than Trees? The Truth About Earth’s Oldest Predators

Credit: Kevin Lino, NOAA / NMFS / PIFSC / ESD

Sharks are far older than trees, with fossil evidence showing they first appeared about 400 million years ago, while trees emerged around 350 million years ago. This gives sharks a 50‑million‑year evolutionary head start. Early sharks had cartilaginous skeletons, multiple rows of teeth, and sharp senses, traits that made them efficient hunters and remain central to their survival today.

Over the ages, sharks endured all five mass extinction events, including the asteroid strike that wiped out the dinosaurs. Their resilience comes from adaptable diets, acute senses like smell and electroreception, varied reproductive strategies, and streamlined bodies that have required little change. When sharks first swam Earth’s seas, land was barren, covered only with mosses and fungi; forests developed much later.

Yes, Cows Really Do Have Besties

OE993/iStock via Getty Images

Cows are highly social herd animals that form complex relationships and even develop “best friends.” Their social hierarchy is shaped by age, sex, breed, size, and personality traits such as boldness or sociability. Beyond hierarchy, cows establish preferential bonds, often shown through social licking, head rubbing, and synchronized behaviors like eating and resting together. These friendships reduce stress, as cows display calmer heart rates and less agitation when paired with preferred partners compared to non-preferred ones. Long-term separation from a best friend negatively impacts behavior, physiology, and milk production, but reunion restores normal patterns. Calves also benefit from companionship: those raised with peers are more confident, less fearful, and quicker learners, while isolated calves show cognitive deficits and struggle with farming technologies. Research emphasizes that stable social groups and housing systems improve welfare, reduce stress, and enhance productivity, highlighting the importance of respecting cattle’s natural social bonds.

Read more: Yes, Cows Really Do Have Besties - A-Z Animals

Why octopuses have three hearts: when three are better than one

Credit: BBC Wildlife Magazine - Debbie Graham

Compared to many other animals, octopuses have rather a complicated circulatory system to ensure oxygenated blood reaches the extremities of their multi-limbed body. Octopuses pump their blood around their circulatory system using three hearts instead of one. While a ‘systemic’ heart supplies the animal’s body, two ‘branchial’ hearts supply each of the two gills where the blood is oxygenated

Read more: Why octopuses have three hearts: when three are better than one | Discover Wildlife

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