Articles tagged with Frogs
Researchers found that three frog species in the protected Wet Tropics of Queensland UNESCO World Heritage Area might have sufficient time to conserve before extinction due to climate change. The study suggests that conservation managers could intervene successfully with translocation programs.
A new rare ant species, Lenomyrmex hoelldobleri, has been discovered in the stomach of a Little Devil poison frog in Ecuador. The ant is the seventh known species in its rarely collected Neotropical genus and features a slender elongate mouthpart.
Researchers discovered cane toads can respond to mating calls up to 120m away, bringing in more potential mates than other species. Female cane toads are less responsive, requiring closer proximity to discern complex details about potential partners.
Researchers studied axolotl embryos and found unusual bursts in gene expression that could aid understanding of limb regeneration. This knowledge may lead to new insights into human regenerative medicine and the development of therapies.
A new species of rain frog, named Sleeping beauty rain frog, has been discovered in the Peruvian central Andes. The frog features bright red coloration on its groins, shanks, and thighs, distinguishing it from other related frogs.
Stowaway frogs being stopped by border security reduces the risk of introduction of new diseases by up to 50%. Biosecurity measures are crucial in preventing the spread of emerging diseases that have devastated native frog populations worldwide.
Released green and golden bell frogs in created ponds experienced lower vegetation diversity, resulting in reduced nutritional resources. The frogs also had a higher proportion of chytrid fungus, a pathogen affecting reproductive function.
Researchers discovered that some frog species hide eggs on land to reduce competition from other males, leading to smaller testes in males with terrestrial reproductive modes. This finding sheds light on evolutionary forces driving diversity and provides insights for conservationists.
A recent study by Hiroshima University scientists found Japanese tadpoles can live and grow in natural hot springs with water temperatures up to 46.1°C. This unique adaptation may allow the species to thrive on small volcanic islands with limited fresh water sources.
Some frog species have moved to land to secure mating opportunities away from rival males. This strategy allows males to protect their genetic legacy, as found in tropical frog species that hide while breeding.
A new species of rain frog, Pristimantis prometeii, has been discovered in southwestern Ecuador and named after the Greek hero Prometheus. The frog grows to 2-3 cm and is part of a group of directly developing frogs that do not have an aquatic tadpole stage.
Researchers found that chorus frogs now form hybrids across a broader area of Louisiana and Mississippi, with the hybrid zone expanding over time. The study's use of 40-year-old tissue samples preserved at the LSU Museum of Natural Science highlights the importance of museum collections in understanding biodiversity and speciation.
Two studies suggest that frogs' ability to withstand high temperatures can help them survive disease outbreaks, such as the deadly fungus Batrachochytrium dendrobatidis. Climate change may outpace deforestation as a habitat threat in tropics, and species with high thermal tolerance are less susceptible to infection.
Scientists have described a new mating position in the Bombay night frog, where males straddle over females' backs to release sperm without physical contact. This behavior is unique among anuran amphibians and has significant implications for understanding reproductive strategies.
A new rain frog species, Pristimantis pluvialis, has been described from Amazonian Peru and the Amazonian foothills of the Andes. The discovery highlights the need for continued study of tropical regions to uncover new species.
Researchers from Museo de Zoología at Catholic University of Ecuador discovered two new species of rain frogs in the park, characterized by spiny appearance and direct-developing traits. The findings highlight the region's rich biodiversity and the need for further exploration of unexplored regions.
A deadly fungus has been found to be threatening African frog species, with at least five species declining due to chytrid and habitat destruction. Climate change may also be exacerbating the issue.
A new study from Wake Forest University found that testosterone influences the evolution of a waving display in male Bornean rock frogs. The research revealed that testosterone increases foot-flagging behavior and changes how hormones act on leg muscles, similar to the change seen in vocal croaks.
Hearing socially meaningful sounds can modify ear structure to better detect those sounds, improving hearing in green treefrogs. The study's findings have implications for elderly people with limited social interaction or prisoners in solitary confinement.
Researchers found that some frogs in Arizona are rapidly adapting to the fungal pathogen Batrachochrytrium dendrobatridis, which causes chytridiomycosis. The study identified a specific genetic variant, allele Q, that confers immunity to the disease, and showed that these variants were being rapidly inherited and evolving.
A new study reveals that pool frog tadpoles in Sweden grow faster under warm conditions, allowing them to complete their life cycle at high latitudes. This adaptation enables the species to survive in cold climates by maximizing growth during short periods of high temperatures.
The Indian Purple frog's unique development allows it to cling to underwater rocks as a tadpole and then dig underground as an adult. This adaptation enables the species to survive in ancient streams.
Researchers have uncovered the first confirmed report of tadpoles from the Indian Dancing frog family, revealing unique adaptations such as muscular eel-like bodies and skin-covered eyes. These findings provide valuable information for conservation of ancient and endemic frogs in the Western Ghats biodiversity hotspot.
The frog foam has been shown to release model dyes and prevent in vitro growth of Staphylococcus aureus for extended periods, indicating its potential as a non-toxic antibiotic delivery system.
A new golden frog species has been discovered in Colombia's cloud forests, with the discovery highlighting the country's rich biodiversity. The newly identified species is part of a diverse group of frogs that includes 465 recognized species, with many still awaiting description and classification.
Research shows that female poison frogs remember the exact location of where they laid their eggs, allowing them to transport only their own tadpoles. In contrast, males tend to transport both their own and unrelated tadpoles due to their territorial behavior.
University of Utah researchers discovered how certain brain cells compute sound length and detect short sounds. The study found that for a frog brain cell to recognize a short sound, it is inhibited from firing while the sound occurs, then excited into firing when the sound ends.
A new species of narrow-mouthed frog, Microhyla laterite, has been discovered in laterite rock formations of southwest India. The frog, which is distinct from closely related species, is classified as Endangered due to its narrow geographic range and fragile habitat.
Researchers discovered a gene in snails that determines shell twist direction, which may offer insights into human body asymmetry. The study found that the same gene affects left-right symmetry in other animals, including frogs.
A study published in Current Biology found that the gene responsible for twisted snails' shells is linked to internal asymmetry in frogs. This suggests that body asymmetry may be an evolutionarily ancient characteristic of animal development.
A research team has discovered new populations of the endangered banana frog in Southwest Ethiopia, expanding its geographical range. The study, published in ZooKeys, suggests that the frogs are more tolerant to forest degradation than expected, increasing conservation efforts.
Scientists have identified two new species of tree frogs in Taiwan, characterized by their unique gemstone-colored eyes. The new species, Kurixalus wangi and K. berylliniris, exhibit distinct reproductive behaviors, including egg-eating tadpoles, and are found in moist forests on the island.
A new genus of tree hole breeding frogs, Frankixalus, has been identified in India, featuring gel-encapsulated eggs and tadpoles that devour their mother's eggs. This discovery highlights the evolutionary distinctiveness and unique life history features of this lineage.
A new study suggests that climate change may reduce the range of the deadly chytrid fungus in Africa's Albertine Rift, potentially saving some amphibian populations. Microscopic examination revealed that most infected frogs appeared to be in good health, indicating regional resistance to the disease.
Researchers found that Brazilian torrent frogs employ a complex repertoire of acoustic and visual displays for communication, including hand, arm, and body movements. The study indicates that this frog species has one of the most diverse repertoires of visual and audio displays known to frogs.
Two new species of frogs, Rombophryne ornata and Rombophryne tany, are discovered in the forest floor of Madagascar's remote Tsaratanana Massif. The scientists found unique features such as spines over their eye sockets and distinctive colors like reddish and brownish hues.
Researchers at Case Western Reserve University found that habitat characteristics explain differences in immune defense traits of frogs between populations. Microbiome differences and altered natural peptide secretions may alter the amphibian's immune defense capabilities. The study suggests that land use changes can influence animal t...
Researchers have discovered six new African frog species and added back one previously lost, increasing the known number of clawed frog species from 22 to 29. The discovery highlights striking new characteristics and sheds light on evolution through DNA analysis.
A new tree frog species, Dendropsophus bromeliaceus, has been discovered in the Brazilian Atlantic forest, where tadpoles develop in pooled rainwater stored in bromeliad leaves. The species is distinguished by its small size and unique color pattern.
A University of Tennessee study found that Caucasian parsley frogs rely on insect-rich bat guano for food in limestone caves. The research highlights the critical role bats play in maintaining cave ecosystems and underscores the need to protect small bat colonies.
New algorithms have been developed using the natural process of Japanese tree frogs singing out of sync to solve computational problems in graphs and social networks. These algorithms, known as FrogCOL and FrogMIS, can identify independent sets of nodes and detect structural patterns in complex networks.
Researchers at Virginia Tech found that naturally occurring bacteria on a frog's skin can respond to infection and adjust their structure and function to compensate for it. The study suggests that the whole community of bacteria is important, not just a single protective bacterium. This discovery offers hope in limiting the impact of c...
Two new frog species have been discovered in the Raja Ampat Islands of New Guinea, characterized by their unique advertisement calls and morphological features. The specimens were found to be hermaphrodites, possessing both male and female reproductive systems.
A new study found that deforestation in Borneo's forests leads to a decline in frog species richness, with only 20% of primary forest species remaining in young oil palm plantations. The study highlights the need for rigorously enforcing riparian buffer zones to mitigate the impact of industrial monocultures on amphibian populations.
The African clawed frog's evolution to violet vision involved rapid and controlled molecular changes, with five classes of opsin genes playing a crucial role. The study identified 12 mutations, including site 113, which shifted from glutamic acid to aspartic acid, leading to the frog's unique visual adaptation.
A Yale study reveals that suburban ponds experience a gender revolution due to elevated levels of estrogen in shrubbery and lawn areas. The research shows that female frogs outnumber males, likely caused by endocrine disruption from phytoestrogens produced by plants commonly found in lawns.
Climate change is causing significant habitat loss for Pacific Northwest amphibians, including the Cascades frog, which may become extinct by 2080. The study forecasts that more than half of intermediate wetlands will convert to fast-drying ephemeral wetlands, threatening these unique species.
A study on túngara frogs reveals the 'decoy' effect, where females choose less attractive mates over more appealing options when a third, inferior mate is introduced. This challenges rational choice models used in sexual selection theory and highlights the influence of context on mating decisions.
A new study by biologists from Case Western Reserve University suggests exposure to road salt increases the size of wood frogs, but also shortens their lives. Wood frog tadpoles exposed to road salt grew larger and turned into larger frogs at metamorphosis than those raised without being subjected to the contaminant.
A newly identified and highly infectious tadpole disease has been discovered in diverse frog populations across the globe. The study reveals a previously unidentified microbial group that infects tadpole livers, contributing to the decline of amphibian populations.
Researchers have identified two species of Brazilian frogs that are venomous, using their heads as a weapon to deliver toxic secretions. The discovery sheds light on the biology of amphibians and their interactions with predators in the wild.
A new fleshbelly frog species, N. madreselva, has been discovered in the Peruvian cloud forest, characterized by its striking coloration and limited distribution. The species is threatened by deforestation, diseases, and agricultural activities, emphasizing the need for conservation efforts to protect amphibian biodiversity.
Researchers have identified four new highly endangered species of West African torrent-frogs, revealing a previously unknown level of molecular variation. The discovery highlights the urgent need for conservation efforts in the Upper Guinean biodiversity hotspot, where habitat loss threatens the survival of these unique species.
The newly discovered Rhombophryne longicrus is an unusually long-legged new species of frog from Madagascar that challenges the traditional burrowing behavior of its relatives. Genetic analyses reveal close relationships to another diamond frog species, highlighting concerns over extinction due to habitat destruction.
Wild kangaroos show a consistent preference for using their left hands for actions like grooming and picking leaves. The finding expands our understanding of handedness in animals and may offer insights into neuropsychiatric conditions such as schizophrenia and autism.
Researchers found that exotic fish can amplify viral levels in garden ponds, while chemicals like slug pellets weaken frog immune systems. Simple precautions, such as reducing chemical use and not stocking non-native species, can help reduce the spread of the devastating ranavirosis disease.
Túngara frogs exhibit different escape responses when attacked by ground versus aerial predators. They flee from snakes on the ground but move towards bats in the air, effectively undercutting their flight path. This study highlights the flexibility of prey strategies to evade predators with diverse attack modes.
A newly discovered frog species, Pristimantis mutabilis, has the ability to change its skin texture in minutes to blend into its surroundings. The frogs were found in Ecuador's cloud forest and their shape-shifting capability challenges traditional methods of species identification.
Researchers detect deadly chytrid fungus in Madagascar, threatening its unique amphibian population. The discovery highlights the global pandemic's impact on biodiversity and calls for continued monitoring and breeding programs.
A new species of water frog, Telmatobius ventriflavum, was discovered in central Peru. The species' golden yellow and orange coloration helps identify it as a unique addition to the Andean biodiversity hotspot.