Articles tagged with Behavioral Ecology
Researchers at Utrecht University discovered that introducing multiple opportunities for cooperation in animals can change social dynamics and partner preferences. This challenges previous studies using single-location setups, suggesting a need to reconsider animal behavior experiments.
A study reveals that the rhythmic structure of laughter has remained constant in all living great apes, including humans, for at least 15 million years. This finding offers unexpected clues to the evolution of human speech, suggesting that sophisticated vocal control is a fundamental building block.
Researchers study blind Mexican cavefish to understand how evolution rewires the brain and shapes behavior. They found that cavefish become more active in light, a response believed to help them avoid predators.
Researchers found that even morphologically similar pollinators can differ markedly in the diversity and heterospecificity of pollen they transport. This variation has important implications for understanding how different pollinators influence plant reproduction and evolution.
A new review of interspecies cooperation reveals that animals use cues and signals to work together for mutual benefit. The study found commonalities in these interactions across various species, including fish, dolphins, birds, and butterflies. Researchers highlight the importance of communication in these unique team-based behaviors.
A new study suggests that environmental factors can influence which bird songs are passed down through generations. Common song types, with higher frequencies and broader frequency bandwidths, traveled more effectively through the environment than rare songs. This makes it easier for young birds to hear and learn these songs, potential...
The Ecological Society of America publishes groundbreaking studies on the rights of nature, highlighting widespread support for conservation. Research also reveals owls' role in controlling rodent populations, while clownfish reveal the importance of partner relationships in shaping biodiversity.
Researchers used remote sensing technology to capture camera trap images of the short-eared dog, revealing its unique physical profile and activity patterns. The study found that this Amazonian predator is more abundant than previously thought, with a preference for intact forests and protected areas.
Adélie penguins use social information to acquire knowledge about food sources, often departing with multiple conspecifics to gather this info. This strategy helps unsuccessful foragers adapt their search strategies and increase their chances of finding food.
A study by Royal Netherlands Institute for Sea Research found that Lesser Black-backed Gulls rarely visit wind farms off the Zeeland coast, except for some male birds. Despite being attracted to fishing boats outside the wind farm, the gulls' behavior suggests they avoid entering the wind farm due to unknown reasons.
Researchers from Finland discover that bumble bees can solve novel problems by combining objects in new ways, similar to the famous 'box-and-banana' experiment with chimpanzees. The bees were not trained and had no prior experience with the solution.
Researchers found that pregnant Pacific pocket mice trained to fear snakes produce more vigilant offspring, which survive better in the wild. This method of antipredator training may improve conservation breeding and reintroduction programs.
A new study found that wildlife responds to both direct human presence and landscape changes, such as agriculture and urbanization. The researchers tracked 37 species across the US using GPS devices and mobile phone data, finding that over 65% of species changed their behavior in response to human presence.
Scientists analyzed GPS tracking data from 37 animal species paired with cellphone location data to reveal how humans impact wildlife. The study found that 57% of species were impacted by human presence and landscape modification, with varied responses between species.
A global meta-analysis of animal behavior found that urban populations exhibit heightened boldness, aggression, exploration, and activity compared to rural counterparts. The findings highlight the need for urban planners to consider animal behavior in urban development.
A new study found that urbanization-related changes in the song of European songbirds can have important consequences for birds living in noisy cities. While some species exhibit a broader dominant frequency range in their songs, others do not adapt to urban environments.
Scientists have documented humpback whales travelling over 14,000km between their breeding grounds in eastern Australia and Brazil, setting new records for the greatest distances ever confirmed. The findings highlight the value of citizen science and suggest climate-driven changes may be making such crossings more likely.
A study by Iwate University and Nagoya University found that domestic cats respond more reliably to silver vine than to catnip when given the choice. Cats exhibited rubbing and rolling behavior towards silver vine in both free-choice outdoor experiments and captive laboratory tests, while responding less consistently to catnip.
Researchers at the University of Washington decoded over 1,700 beluga whale calls in Cook Inlet, revealing insights into their social behavior, communication patterns, and vulnerability to human noise. The study suggests that shipping noise may be disrupting critical calf-mother communication, threatening the population's recovery.
A study found that psilocybin, a key magic mushroom ingredient, significantly reduces aggressive attack behavior and energetically costly social behaviors in mangrove rivulus fish. The compound selectively dampens escalated social conflict without suppressing lower-energy social display behaviors.
A new, non-invasive monitoring system captured striking footage of hyperbenthos, including a snailfish exhibiting backward swimming behavior, and the acoustic presence of narwhals. The study highlights the dynamic nature of the deep-sea environment, with organic particles concentrating in response to tidal currents.
Scientists have discovered a previously undescribed nematode species, Caenorhabditis apta, which forms 'towers' that can attach to fruit flies and other insects. The study found that two sap-feeding beetles are likely the primary vectors of this new species, highlighting the importance of understanding how nematodes spread in the wild.
A new study found that fur seals' heart rate peaks six to eight hours after returning to land, indicating a delayed recovery from the physiological costs of foraging at sea. This suggests that seals use their time onshore to actively recover and replenish oxygen stores.
Researchers found that urban birds flee sooner when approached by women compared to men in a European study. The study involved over 2,700 observations across five countries and 37 bird species, revealing that birds can recognize the sex of approaching humans.
The thrush nightingale migrates up to 18,000 km with four-to-five consecutive nighttime flights and daytime breaks to avoid intense heat, conserving energy along the way. Advanced sensors track this extreme behaviour, providing insight into the bird's strategy for survival.
New research found that bird species with a skewed sex ratio are primarily caused by demographic factors, not the other way around. The study of 261 bird species revealed that one sex is more likely to die before reproducing due to differences in survival rates.
In a unique behavior, monkeys on Gibraltar have learned to eat dirt to help them digest the junk food consumed by tourists, which disrupts their gut microbiome. The researchers found that geophagy is socially learned and has become part of the macaques' culture, with different troops having preferences for certain types of soil.
A study shows how a kea parrot with a missing upper beak uses innovative fighting techniques to dominate his group and gain social status. He achieves this through 'beak jousting,' which proves more effective than other methods, leading to improved health benefits and social recognition.
Researchers at Salk Institute discovered that naked mole rats can transition to peaceful queen succession, demonstrating flexibility in their social order. This finding challenges previous understanding of colony dynamics and opens new avenues for studying eusocial mammals.
Entomologist Mark Moffett observes harvester ants congregating with smaller cone ants in Arizona's Chiricahua Mountains. The unusual behavior involves the cone ants licking and nibbling the harvester ants' body surfaces, possibly consuming calorie-rich dust-size morsels.
A new study reveals that sunbirds employ tongue suction to slurp nectar, a novel mechanism in vertebrates. This finding highlights the power of convergent evolution, where different species adapt to similar ecological challenges in distinct ways.
A new study reveals that risk-prone animals tend to stay near human activity, while more cautious individuals avoid humans and survive longer. This finding highlights the importance of individual behavior in adapting to human-driven environmental change.
Researchers observed tarantulas using spatial orientation to improve prey capture and retreat location, indicating possible learning and memory use. The study suggests that tarantulas' nervous systems support flexible behavior and may rely on internal body signals combined with environmental cues.
Researchers have discovered a brood pheromone released by clonal raider ant larvae that temporarily suppresses egg-laying in adult ants. The pheromone, MEHMP, is produced exclusively by larvae and helps synchronize brood care and reproduction in the colony.
A new study reveals that the honey bee waggle dance is a dynamic, two-way interaction shaped by its audience, contradicting the traditional view of unidirectional information flow. Researchers manipulated the number of potential observers to test how dancers adjust their behavior based on the availability of appropriately aged bees.
Researchers found that honey bees change the precision of their waggle dance depending on the size and composition of their audience. The dancers adjust their movements to search for a receptive crowd, resulting in less precise signals when few bees are present.
A recent study on honey bees' waggle dance reveals that the dance's precision is influenced by audience size and composition. When there are more observers, dancers become less precise, suggesting that the performer adjusts its movements to engage with a larger crowd, ultimately conveying critical information about food sources.
A recent study published in Science found that humans and animals have overlapping preferences for certain qualities of an animal's call, with agreement strongest for lower-frequency sounds. The study used a gamified citizen science experiment involving over 4,000 human participants from around the world.
A young female fisher traveled 118 kilometers from Durham to the White Mountains in New Hampshire, the longest recorded dispersal for the species. This journey, documented over winter with deep snow, underscores the fisher's adaptability and highlights the need for further research into movement patterns.
Parasites alter male calls, creating a complex pattern that can change how females evaluate potential partners. Females prefer lower-frequency calls, but also weigh the risk of parasite infection, making mate choice a nuanced decision.
Researchers engineered a 3D-printed robotic rattlesnake to test how 38 zoo animals responded to rattling behavior. The study found that the rattling display functions as an effective deterrent, with species sharing natural geographic range with rattlesnakes exhibiting stronger fear responses.
Researchers found that as humpback whale populations recovered from whaling, the age structure shifted towards a more even distribution among older and younger males. Older males became increasingly successful at siring offspring compared to younger males, suggesting they need time to refine their singing and competitive tactics.
Research found that dogs and 16-month-old toddlers exhibited similar prosocial behaviour when searching for a hidden object, with over 75% of them indicating or retrieving the object. In contrast, companion cats rarely showed such behaviour, suggesting domestication may not be enough to produce human-like cooperation.
A new study published in Global Ecology and Conservation found that released animals, like Bengal slow lorises, are at risk of being attacked by territorial peers. Only two out of nine released animals survived, with the others dying due to fatal attacks.
A new study reveals that animal species with fast-paced ecologies have faster visual perception, tracking prey in mid-air versus grazing slowly across the seabed. This finding supports Autrum's hypothesis and highlights how ecology shapes the tempo of perception across life on Earth.
Researchers at the University of Cincinnati found that female caribou gnaw on shed antlers to supplement their diets with calcium and phosphorus, essential for milk production. The study, published in Ecology and Evolution, reveals a previously overlooked benefit of shed antlers in the Arctic ecosystem.
A study published in the Journal of Experimental Marine Biology and Ecology found that exposure to oleamide, a chemical additive in plastics, caused immediate changes in octopus prey choice and interactions with predators. The effects persisted for at least three days, suggesting a lasting impact on marine behavior and ecosystem dynamics.
A University of California - Riverside study has identified bed bugs' fear of water and wet surfaces, which affects their behavior and movement patterns. Researchers found that all bed bug ages and genders avoid wet surfaces, with younger insects being more sensitive to moisture.
Researchers found that many birds don't strictly follow their supposed temperature adaptations, instead moving to efficiently acquire and use energy. This 'energy efficiency' hypothesis suggests that altitudinal migration is a behavioral mechanism allowing birds to optimize their energy budgets in the face of seasonality and competition.
Researchers found that while the eclipse influenced sound activity and diversity, it didn't alter acoustic complexity. The study used novel acoustic capture devices to record animal vocalizations before, during, and after the April 2024 eclipse at three Ohio sites.
Exposure to ozone levels found in affected areas alters the ants' odor signature, causing them to be attacked as if they were foreign intruders. The disruption of chemical communication between adult ants and larvae may also lead to neglect of brood care and larval death.
Researchers found that meerkats use soft-spoken sunning calls to stay socially connected and manage group hierarchies without direct physical contact. Subordinate meerkats responded more strongly to dominant calls, suggesting vocal exchanges help stabilize weak social relationships.
Researchers used game theory and individual-based models to show how attack and defense strategies emerge as stable patterns, providing a theoretical framework for understanding predator–prey interactions. The study highlights the importance of sensory abilities for survival and challenges traditional views of predator-prey relationships.
Researchers found that humans in northern Mozambique use distinct calls, trills, grunts, whoops, and whistles when communicating with honeyguide birds. These regional dialects allow communities to coordinate cooperation with greater honeyguides, revealing a striking parallel to human language diversification.
A new study reveals how beluga whales in Alaska's Bristol Bay survive through a surprising strategy: they mate with multiple partners over several years. This polygynandrous system helps maintain genetic diversity despite the population's small size and isolation.