Feature Channels: Birds

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Pseudo-nitzschia spp., an algae that produces the neurotoxin domoic acid, can bioaccumulate within food webs causing harm to humans and animals. A molecular study of Florida’s Indian River Lagoon shows this algae was present in 87 percent of the water samples collected. All isolates showed toxicity, and domoic acid was found in 47 percent of surface water samples. As a nursery for many organisms that supports a high amount of biodiversity, the presence of domoic acid could negatively impact the lagoon system.

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As we enter the summer months in the Northern Hemisphere and the possibility of extreme heat becomes more common, it’s important to stay up-to-date on the science of heat waves and take measures to protect ourselves from this growing public health threat.

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Although the prehistoric site of Eynan-Mallaha in northern Israel has been thoroughly examined since 1955, it still holds some surprises for scientists. Seven prehistoric wind instruments known as flutes, recently identified by a Franco-Israeli team.

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Dreams have been considered a hallmark of human sleep for a long time. Latest findings, however, suggest that when pigeons sleep, they might experience visions of flight. Researchers at Ruhr University Bochum, Germany, and at the Max Planck Institute for Biological Intelligence studied brain activation patterns in sleeping pigeons, using functional magnetic resonance imaging.

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Several animal species display brood care, a phenomenon where ‘caring’ parents provide their offspring with food and protection against predators.

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Scientists at St. Jude Children’s Research Hospital have discovered H5N1 avian influenza viruses gained the ability to cause severe disease and target the brain in mammals as they spread across North America.

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Current conservation practices likely won’t do enough to save the black tern, a migratory bird species that nests in the northern U.S. and southern Canada, from disappearing. That’s according to new research from Michigan State University and the National Audubon Society published in the journal Biological Conservation. But the team’s report also reveals new opportunities to enhance the outlook for these birds by strategically expanding conservation and land management practices. Furthermore, the team’s approach can help inform conservation practices for other species.

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Birds across the Americas are getting smaller and longer-winged as the world warms, and the smallest-bodied species are changing the fastest.

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A new WCS-led study that analyzed 17 years of migratory bird-nesting data in Prudhoe Bay, Alaska, revealed that nest survival decreased significantly near high-use oil and gas infrastructure and its related noise, dust, traffic, air pollution, and other disturbances.

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Researchers conducted the first ever systematic and comprehensive study of Mountain Quail habitat associations and fire ecology in the Sierra Nevada.

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Researcher will discuss the study which involved a sleeping aid known as suvorexant that is already approved by the Food and Drug Administration (FDA) for insomnia, hints at the potential of sleep medications to slow or stop the progression of Alzheimer’s disease.

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A panel of experts will hold a WCS media briefing on High Pathogenic Avian Influenza (HPAI) that is currently wreaking havoc around the world and is the largest known outbreak since scientists have begun tracking the disease.

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Below are some of the latest headlines in the new Avian Flu channel on Newswise.

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Since the 1950s, humanity has produced an estimated 8.3bn tons of plastic, adding a further 380m tons to this amount each year. Only 9% of this gets recycled.

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A new study demonstrates that birds can partially compensate for these changes by delaying the start of spring migration and completing the journey faster. But the strategy comes with a cost—a decline in overall survival.

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Avian research often focuses on forests as breeding habitats, but scientists are now working to understand the vital role that small forest patches play in migration. For the first time, a team of researchers from Princeton University and the University of Delaware has created a comprehensive map of migratory pathways and stopover locations in the Eastern United States.