Zoology

Zoology News -- ScienceDaily Zoology. News and videos on animal life sciences. Read the latest research in zoology. Updated daily.

  • Once majestic Atlantic Forest 'empty' after 500 years of over-exploitation
    on September 25, 2018 at 6:04 pm

    New research finds that 500 years of over-exploitation has halved mammal populations in South America's once majestic Atlantic Forest. A new analysis of mammal populations reveals the devastating effects of human disturbance since the area was first colonized in the 1500s. They found that apex predators and large carnivores, such as jaguars and pumas, as well as large-bodied herbivores, such as tapirs, were among the groups whose numbers had suffered the most. […]

  • Termites: Advanced animal society can thrive without males
    on September 25, 2018 at 3:00 pm

    Termite colonies have been found to thrive and reproduce without males, new research reveals. The findings provide new evidence that males aren't required to maintain some advanced animal populations. They add momentum to questions about the impact and function of males in animal societies. […]

  • New species of dazzling, neon-colored fish
    on September 25, 2018 at 3:00 pm

    Named for Aphrodite, Greek goddess of love and beauty, a new species of dazzling, neon-colored fish from the twilight zone enchants scientists. It's only known home is the remote Brazilian archipelago of St. Paul's Rocks. […]

  • Birds' voiceboxes are odd ducks
    on September 24, 2018 at 9:45 pm

    Birds' voiceboxes are in their chests instead of their throats like mammals and reptiles. Scientists aren't sure how or why birds evolved these unique voiceboxes, but a new study sheds some light on how they came about. Similarities in the windpipes of birds, crocodiles, cats, mice, and salamanders suggest that birds' weird voiceboxes might have arisen from a windpipe reinforcement. From this, scientists can learn about the sounds bird ancestors -- dinosaurs -- made. […]

  • How fruits got their eye-catching colors
    on September 24, 2018 at 9:44 pm

    New evidence supports the idea that plants owe their rainbow of fruit colors to the different animals that eat them. Researchers first had to get past the fact that most animals don't see colors quite the way humans do. […]

  • Mosquitoes that can carry malaria eliminated in lab experiments
    on September 24, 2018 at 3:59 pm

    Researchers have eliminated caged mosquitoes using 'gene drive' technology to spread a genetic modification that blocks female reproduction. […]

  • Light pollution makes fish more courageous
    on September 21, 2018 at 3:34 pm

    Artificial light at night also makes guppies more courageous during the day, according to a new behavioral study. […]

  • The first predators and their self-repairing teeth
    on September 21, 2018 at 3:34 pm

    The earliest predators appeared on Earth 480 million years ago -- and they even had teeth which were capable of repairing themselves. A team of palaeontologists have been able to discover more about how these organisms were able to grow and regenerate their teeth. […]

  • Land-based bird populations are at risk of local extinction
    on September 21, 2018 at 12:32 am

    A new report finds that land-based bird populations are becoming confined to nature reserves in some parts of the world -- raising the risk of global extinction -- due to the loss of suitable habitat. […]

  • Fat from 558 million years ago reveals earliest known animal
    on September 20, 2018 at 8:09 pm

    Scientists have discovered molecules of fat in an ancient fossil to reveal the earliest confirmed animal in the geological record that lived on Earth 558 million years ago. […]

  • What makes a mammal a mammal? Our spine, say scientists
    on September 20, 2018 at 8:09 pm

    Mammals are unique in many ways. We're warm-blooded and agile in comparison with our reptilian relatives. […]

  • Hookworms employ live fast/die young strategy in fur seal pup hosts
    on September 20, 2018 at 3:55 pm

    Hookworms exploit a live fast/die young strategy in their South American fur seal pup hosts. As a result, they often kill their host, rather than finding a happy equilibrium. Scientists are concerned that this type of hookworm infection could eventually pose a risk to critically endangered populations of fur seals. […]

  • Few hatchery brook trout genes present in Pennsylvania watershed wild fish
    on September 20, 2018 at 2:44 pm

    Despite many decades of annual brook trout stocking in one northcentral Pennsylvania watershed, the wild brook trout populations show few genes from hatchery fish, according to researchers. […]

  • Fish-rich diets in pregnancy may boost babies' brain development
    on September 20, 2018 at 2:22 pm

    Women could enhance the development of their unborn child's eyesight and brain function by regularly eating fatty fish during pregnancy. This is the suggestion from a small-scale study. The research supports previous findings that show how important a prospective mother's diet and lifestyle choices are for the development of her baby. […]

  • Two fishes a day keep the mantid coming back to prey: The first fishing praying mantis
    on September 20, 2018 at 2:21 pm

    For the first time, a praying mantis is recorded to fish. For five days in a row, an adult male was observed hunting and devouring a total of nine guppies from a pond located in a private roof garden in Karnataka, India. Apart from demonstrating such repetitive behavior, the event is remarkable in the fact that it occurred naturally, without external interference. […]

  • Pairing zebrafish by personality improves fitness of the species
    on September 20, 2018 at 2:21 pm

    Scientists have challenged the theory of 'love at first sight' after discovering that they can boost the reproductive success of zebrafish by pairing them by personality, rather than appearance. […]

  • EU Fisheries failures jeopardise sustainability of small fishing communities, researchers argue
    on September 20, 2018 at 2:21 pm

    Traditional artisanal fishing has been harmed by EU fishing policies that favor big businesses and ignores other more sustainable approaches to conserving fish stocks, according to new research. […]

  • Basking sharks can jump as high and as fast as great whites
    on September 20, 2018 at 2:21 pm

    These gentle giants, which can grow up to 10 m in length, have been recorded jumping out of the water as high and as fast as great white sharks. Marine biologists are unsure why they do this, but have pointed to this phenomenon as evidence of how much we still have to learn about marine life. […]

  • Physicists train robotic gliders to soar like birds
    on September 20, 2018 at 2:16 pm

    Scientists know that upward currents of warm air assist birds in flight. To understand how birds find and navigate these thermal plumes, researchers used reinforcement learning to train gliders to autonomously navigate atmospheric thermals. The research highlights the role of vertical wind accelerations and roll-wise torques as viable biological cues for soaring birds. The findings also provide a navigational strategy that directly applies to the development of UAVs. […]

  • Improving 'silvopastures' for bird conservation
    on September 19, 2018 at 5:39 pm

    The adoption of 'silvopastures' -- incorporating trees into pastureland -- can provide habitat for forest bird species and improve connectivity in landscapes fragmented by agriculture. But how do silvopastures measure up to natural forest habitat? New research shows that birds in silvopasture forage less efficiently than those in forest fragments but offers suggestions for how silvopasture habitat could be improved. […]

  • Newly identified African bird species already in trouble
    on September 19, 2018 at 5:39 pm

    Central Africa's Albertine Rift region is a biodiversity hotspot consisting of a system of highlands that spans six countries. Recent studies have shown that the population of sooty bush-shrikes occupying the region's mid-elevation forests is a distinct species, and new research reveals that this newly discovered species may already be endangered due to pressure from agricultural development. […]

  • If pigeons were brilliant, would they flock?
    on September 19, 2018 at 5:30 pm

    Researcher looked at how people behave in simple reasoning games and found that people are usually driven to 'flock,' or behave similarly to others in a given situation. […]

  • New research identifies abundant endangered fish below waterfall in San Juan River
    on September 19, 2018 at 5:30 pm

    A new study provides insight into the magnitude of the effect this waterfall has on endangered fishes in the San Juan River. From 2015-2017 more than 1,000 razorback sucker and dozens of Colorado pikeminnow were detected downstream of the waterfall. Some fish moved to this location from up to 600 miles away in the Colorado River. […]

  • Cane toad: Scientists crack genetic code
    on September 19, 2018 at 3:15 pm

    Scientists have unlocked the DNA of the cane toad, a poisonous amphibian that is a threat to many native Australian species. […]

  • Oldest-known aquatic reptiles probably spent time on land
    on September 19, 2018 at 3:14 pm

    A comprehensive analysis of Mesosaurus fossils shows that bones from adults share similarities with land-dwelling animals -- suggesting older Mesosaurus were semi-aquatic, whereas the juveniles spent their time in the water. This new research emphasizes the importance of thoroughly analyzing fossilized remains from across all stages of a reptile's life to get a full appreciation of its lifestyle and behavior. […]

  • Seeing pesticides spread through insect bodies
    on September 19, 2018 at 2:09 pm

    A team provides insights into the distribution of pesticides within insects using a newly developed method of insect sample preparation. […]

  • How birds can stay slim, even when they overeat
    on September 18, 2018 at 3:09 pm

    Noticing that songbirds never seem to get fat despite overeating at bird feeders, environmental biologists wondered whether the amount of energy birds put into singing, fidgeting, or exercising could be adjusted in ways that regulate weight. Researchers now explore whether songbirds needn't worry about their calorie counts because they can control the way their bodies use energy. […]

  • Silver nanoparticles are toxic for aquatic organisms
    on September 18, 2018 at 3:09 pm

    Silver nanoparticles are increasingly being used in consumer products, such as clothing and personal care products, in the medical and pharmaceutical industry, and in the food industry. That is why their presence is expected to increase in the environment where they can exert harmful effects on organisms. […]

  • Global trade in exotic pets threatens endangered parrots through the spread of a virus
    on September 18, 2018 at 3:09 pm

    Beak and feather disease virus (BFDV) in wild parrot populations has been detected in eight new countries, raising concerns for threatened species. This highlights the need for greater awareness of the risks of the spread of infectious disease associated with the international trade in live parrots. […]

  • How dragonfly wings get their patterns
    on September 17, 2018 at 7:36 pm

    Researchers have developed a model that can recreate, with only a few parameters, the wing patterns of a large group of insects, shedding light on how these complex patterns form. […]