Articles tagged with Foraging Behavior
Research shows that exposure to commonly used insecticides can profoundly impair honeybees' visually guided behavior, crucial for flight and survival. The study found that pesticide-exposed bees have impaired optomotor responses, with increased asymmetry in left and right turns.
Common noctule bats form mobile sensory networks to optimize prey localization, reducing foraging time by 40%. This collaborative strategy enables bats to effectively control agricultural insect pests and contribute to ecosystem balance.
A new study by researchers at the University of Oxford found that ageing female wild red deer on the Isle of Rum in Scotland tend to adopt a life of solitude as they grow older. They interact with fewer other individuals within their home ranges and shift to less populated areas of their habitat.
A new study investigates how birds experience neophobia, which could play a vital role in helping to save Critically Endangered species. The research gathered data on the behavior of captive Bali myna birds, revealing that juvenile birds may be more suitable for reintroduction than adults.
Scientists studied mute and whooper swans, finding a trade-off between aggression and rest. The study suggests that providing enough foraging spots can reduce the need for aggression, allowing birds more time to rest.
Researchers have found that deep-diving seals rely on their sensitive whiskers to detect water movement and capture prey in the absence of light. The study provides insight into the unique sensory adaptations of marine mammals and sheds light on how seals navigate and hunt in extreme environments.
Researchers found that flower shape is a key predictor of parasite transmission to bees, with wider, shorter flowers increasing the risk. The study suggests that identifying floral traits and species associated with lower parasite transmission rates could help create pollinator habitats with reduced disease risk.
Researchers tracked medium ground finches' movements day and night, finding they cover areas equivalent to 30 soccer fields and gather nightly in a lush grove. This behavior helps birds fight cold and reduces predation risk.
Researchers found that otters learn to extract food from unfamiliar natural prey with their own wits, not just by observing others. Eleven of the 20 otters in the study successfully extracted meat from rainbow trout, shore crabs, and blue mussels.
Researchers found that boldness, dominance, and obstinacy are key factors in problem-solving success for zebra finches. Over two years, consistent personality traits predicted innovation in novel foraging tasks, supporting the 'necessity drives innovation' hypothesis.
Researchers found that tobacco hawkmoths can identify vital nectar sources and suitable host plants despite a complex odor mixture, with female moths responding strongly to specific floral scents after mating. The study suggests that plant-typical mixing ratios play a crucial role in guiding the moths to the right oviposition sites.
Researchers found that baby leatherback hatchlings are less sensitive to light than loggerheads, leading to circling behavior and delayed ocean entry. This difference may be an adaptation for detecting prey or habitats in the open ocean.
Researchers have found that Sowerby's beaked whales are faster, more agile hunters than expected, with shorter dives and higher frequency clicks. This unique strategy may help them avoid competition among other beaked whale species.
Researchers found that diverse landscape compositions with faba beans led to higher bumblebee densities, increased pollination success, and higher bean yields. Short-tongued bumblebees stole nectar more frequently from faba beans when there was a high proportion of faba beans in the landscape.
Vervet monkeys have excellent cognitive skills for quickly appraising social context and planning routes accordingly. They make complex, multifactor decisions that consider contextual information, such as individual skill, rank, and competitor distance.
A study of ancient shell remains found at El Mazo cave site reveals that prehistoric humans in Europe adapted to a 1,500-year cold period by exploiting different mollusc species and avoiding overfishing. This research provides insights into human responses to climate change and its impacts on marine environments.
A study of isotopes found in bird samples reveals long-term patterns in the short-tailed albatross' foraging behaviour, which disappeared after hunting. The research suggests this hyper-specialised foraging could re-emerge as populations recover, highlighting the need for close monitoring.
Researchers at Flinders University found that sharks can learn to avoid wasting time and energy on inaccessible food sources. The study, published in Animal Behaviour, reveals the decline of shark's natural response to prey when reward frequency is decreased or non-existent.
A team of researchers found that spotted hyenas in the Serengeti National Park adjust their foraging behavior in response to climate change, with a decrease in migratory herd presence due to increased rainfall. Despite this, lactating hyenas successfully nurse their young, suggesting high plasticity in their foraging behavior.
A new study reveals that leafcutter ants employ complex strategies to maximize the growth of their fungal
A study by researchers at the University of Plymouth reveals that energy-efficient broad spectrum lighting is reducing the efficacy of coastal species' camouflage. This can have significant impacts on visually guided ecological processes, with certain color variations being more vulnerable to detection.
Research found that adult howler monkey play increases when faced with competition over fruit, a valuable resource. This playful behavior helps regulate relationships within the social group and avoid conflict, unlike collective grooming used by some other primates.
A new study reveals that genes inherited from moms and dads play distinct roles in shaping behavior, with certain cells relying on the mother's copy of a gene to produce essential neurotransmitters. This discovery has implications for understanding how parental genetics may influence behavior and related health conditions.
Worms use cost-benefit calculations to choose between different actions, similar to vertebrates. The study demonstrates that complex decision-making capabilities can be encoded in small biological networks.
A new analysis of human remains provides the earliest DNA from sub-Saharan Africa, outlining major demographic shifts between 80,000 and 20,000 years ago. The study reveals people moved and settled in other areas, developed alliances and networks to trade and share information.
A new research model shows that optimistic decision-making leads to healthier circumstances and better access to food. Foraging animals that give mental weight to positive outcomes have an on-the-ground caloric advantage.
Researchers at the University of Montana found that Yellowstone wolves' handling times increase when bears are present, and they move back and forth from kill sites to avoid confrontations. This dynamic affects wolf behavior and kills rates in the presence of bears.
A Japanese squirrel's feeding behavior on poisonous Amanita species has been observed, suggesting a potential mutualistic relationship. The study found that the spores of these fungi may survive being eaten and excreted by squirrels, facilitating their dispersal.
A study in Berlin found that urban areas can provide suitable habitat for bats if certain conditions are met, including low artificial light and access to vegetation and water bodies. The research involved over 200 citizen scientists and revealed that features of the urban landscape influenced the presence of bats.
A new study found that Tasmanian devils have picky diets and only consume their favorite foods, unlike most other scavengers. The researchers tracked the eating habits of 71 devils using whisker samples and found that most devils choose to dine on specific foods.
A new study reveals that New Caledonian crows prioritize the storage of complex and efficient foraging tools over basic ones. The research suggests that these birds have an understanding of the relative value of different tool types, similar to humans when handling valuable items.
A recent study reveals that narwhals are highly affected by noise pollution from ships and seismic airgun pulses, triggering stress and altering their behavior. Researchers hope that better management of noise pollution will protect these unique Arctic animals.
Researchers discovered that forest mammals eavesdrop on monkey meals to access fruit dropped by messy eaters. This eavesdropping strategy is crucial for these animals' survival, particularly during periods when almond trees produce abundant food.
A new study reveals that orangutan mothers are proactively involved in teaching their young, tailoring behavior to match age and abilities. They adjust tolerance levels during feeding interactions, facilitating learning opportunities and enabling immatures to acquire complex foraging skills.
Scientists have discovered that Tasmanian devils' whiskers can capture seasonal dietary changes over at least nine months and potentially up to a year. The long, wiry whiskers hold chemical imprints from food the devils ate in the past, offering a way to monitor the endangered native species with minimal disruptions to their habitats.
Researchers discovered a brain circuit that enables C. elegans worms to switch between foraging and feasting behaviors based on sensory information. The circuit involves a key neuron called AIA, which integrates food odor signals to influence the behavior.
Researchers found that Barbary ground squirrels in the Canary Islands rely on synchronized vigilance as their main defense mechanism against predators. They spend a significant amount of time watching each other and scanning their surroundings to detect threats.
A team of scientists tracked individual endangered Indiana bats and northern long-eared bats to understand their foraging behaviors and habitat preferences. The results show that most timber harvest strategies are neutral or even positive for the bats, with smaller patch cuts and thinning being compatible with conservation.
A new study suggests that waters off the French coast can be a deadly trap for small, foraging turtles in winter. Satellite tracking data reveals that younger individuals are at risk of being trapped in the region due to their inability to regulate body temperature and get lethargic with decreasing sea temperatures.
A study published in Scientific Reports found fossilized remains of sauropodomorphs, including eggs and skeletal remains, that suggest the earliest evidence of herd living in dinosaurs. The fossils, dated to approximately 193 million years old, show age-specific clusters of individuals, indicating possible herding behavior.
Researchers found that African greys waited up to 29.4 seconds for preferred food, while blue-throated macaws only waited 8.3 seconds. Pacing was the most effective waiting behaviour among parrots.
A study by University of British Columbia researchers reveals that southern resident killer whales have access to four to six times more Chinook salmon in the Salish Sea than northern residents. This challenges the common notion of a prey shortage for southern residents during summer feeding grounds.
A study published in Proceedings of the Royal Society B found that intelligent bird species such as parrots and great apes are at risk of poor welfare in captivity. The researchers recommend providing naturalistic diets, enrichment items, and stimulating environments to improve care and reduce psychological problems.
Researchers discovered a cheap and naturally occurring chemical compound that can prevent or reverse the effects of the deformed wing virus in bees. Bees fed with this compound before becoming infected were nine times more likely to survive the virus after five days.
Researchers tracked 50 vampire bats, including those with social relationships, to find that they hunt together and coordinate their efforts. The study suggests that forming friendships in the roost can create more interdependence among socially bonded bats, increasing their success at obtaining blood meals.
Female vampire bats with close social bonds leave the roost separately but reunite when hunting, indicating a preference for cooperative foraging. The study also reveals three distinct call types used during foraging trips, including one that may help identify friends and foes.
Researchers developed a method to forecast blue whale locations up to three weeks in advance, enabling proactive conservation and management. The tool helps minimize the burden on ocean users while protecting whales.
Researchers developed a computer model revealing how single brain cells in nematode worms sense and process environmental information to drive decision-making. The study found that sensory cells use salt cues as 'navigation beacons' to direct foraging behavior, controlling the animal's search strategy.
Researchers at the University of California - Riverside discovered that hummingbirds can avoid insects with defensive compounds, such as formic acid, which harm birds. The study shows that scent plays a crucial role in hummingbird foraging decisions and ecosystem function.
Researchers found that bats with high hearing sensitivity to low frequency sounds are more sensitive to prey sounds, such as frog and katydid calls. This suggests that differences in hearing abilities may be a key factor in the diversity of bat species in tropical forests.
A new study reveals evidence of beer drinking 9,000 years ago in southern China, with ancient pots found at a burial site containing residues consistent with beer fermentation. The discovery suggests that ritualized drinking played a significant role in forging social relationships and cooperation among ancient communities.
A new study finds that female walruses in the Chukchi Sea rely on biomarkers from algae growing within sea ice as a primary food source. The researchers tracked these markers using liver tissues from harvested animals, revealing a difference in foraging behavior between males and females.
Researchers found that bumblebee flight performance rises rapidly from 12°C and peaks between 25-27°C, but declines beyond this. This study suggests that climate warming may benefit some northern-latitude bee species, but poses risks to southern-latitude populations due to more frequent extreme weather events.
Researchers at UC San Diego found that mice can manipulate unpredictable dopamine pulses, which occur approximately once per minute, and learn to anticipate and act upon them. This new understanding opens a dimension in the study of dopamine and brain dynamics.
Researchers documented the emergence and geographic spread of innovative bin-opening behaviors in sulphur-crested cockatoos, revealing a complex social learning culture. The behavior, which emerged as a response to land-use change and urbanization, demonstrates how animal cultures can adapt to urban environments.
Researchers found that bat species native to the Northeast are highly active in newly created forest spaces, foraging for food at higher rates than in mature forests. Young forests provide an ideal environment for bats to find insects and grow, making them a crucial component of bat conservation efforts.
A recent study published in BMC Biology found that fruit bats in Tel Aviv enjoy a rich variety of food in the city, visiting multiple trees each night. In contrast, rural bats focus on one or two fruit trees and may migrate to cities for food, showcasing their adaptability.
Research on Isle Royale reveals wolf pups have been spotted, indicating a likely increase in the wolf population. Moose, however, are struggling with food scarcity and nutritional stress due to warmer winters and deep snow, leading to a decline in their numbers.
A study evaluated Sentinel-2's potential to predict forage quality in Mediterranean permanent grasslands. The research group analyzed data from eight ranches in Andalusia, Spain, using the satellite's 13 spectral bands to detect changes in nitrogen, chlorophyll, and fibre content.
Researchers found that Caenorhabditis elegans worms learn to optimise their foraging activity by switching their response to pheromones in the environment. The worms adapt to sensory cues to maximize food intake during foraging, associating pheromones with food availability and changing their movements accordingly.