Animals

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    Ants Learn From Experience and Can Hold Grudges, Study Finds

    Ants Learn From Experience and Can Hold Grudges, Study Finds

    Like humans, animals experience complex emotions like empathy, love, grief and joy. They can also hold grudges. In a recent study, a team of biologists found that ants can learn from experience and hold grudges when confronted with competitors from another nest with whom they’ve had previous negative experiences. “We often have the idea that […]

    Spiders ‘Smell’ Using Their Legs, Research Finds

    Spiders ‘Smell’ Using Their Legs, Research Finds

    Most spiders have eight legs, no ears and use fine leg hairs connected to nerve cells or their webs to hear sounds in their environment. But how do they smell? A new study by an international team of researchers has found that male spiders “smell” with their legs, using olfactory hairs — wall-pore sensilla — […]

    Nearly 30,000 Unregulated Wild Animal Species Traded in the U.S., Researchers Find

    Nearly 30,000 Unregulated Wild Animal Species Traded in the U.S., Researchers Find

    New international research has found that nearly 30,000 wild animal species have been traded throughout the United States, according to data from the U.S. Law Enforcement Management Information System (LEMIS), a wildlife trade monitoring organization maintained by the U.S. Fish and Wildlife Service. Led by University of Hong Kong (HKU), the analysis looked at 22 […]

    Australia Mosquito Population Researchers Developing Genetically Modified ‘Toxic Males’ to Kill Females by Mating With Them

    Australia Mosquito Population Researchers Developing Genetically Modified ‘Toxic Males’ to Kill Females by Mating With Them

    In Australia, researchers are considering how genetic engineering could allow mosquitoes to produce venom proteins, like those produced by spiders and sea anemones, in their sperm to transfer the poison to female mosquitoes when mating. In a study led by Macquarie University, researchers first used genetically modified fruit flies to test what has been dubbed […]

    Leopards Each Have Their Own Unique Roar, Study Finds

    Leopards Each Have Their Own Unique Roar, Study Finds

    Each leopard can be identified by their own unique roar, the first large-scale study of its kind has found. Using a combination of camera traps and recordings, the research team was able to identify the vocalizations of individual leopards with 93.1 percent accuracy, a press release from University of Exeter said. “Discovering that leopards have […]