In PNG, researchers find a large pigeon lost to science for 140 years

Black-naped Pheasant-Pigeon caught on camera, likely a second individual. Photo: Doka Nason/American Bird ConservancyAfter 140 years, a pigeon subspecies lost to science has been found again on Fergusson Island off eastern Papua New Guinea. Using a remote camera trap, researchers photographed the black-naped pheasant-pigeon (Otidiphaps nobilis insularis), a large, ground-dwelling bird, for the first time since it was described in 1883. “After a month of searching, seeing those […]

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Beef is still coming from protected areas in the Amazon, study shows

Some of the world’s largest beef exporters are still buying cattle that grazed in protected areas of the Amazon rainforest, despite commitments to stop this practice, according to a new study. The report, published today in the journal Conservation Letters found that millions of cattle grazed in protected areas (PAs) in the Brazilian states of Mato […]

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Heat-sensing drone cameras spy threats to sea turtle nests

Sea turtles lumber from ocean to shore to lay their eggs in the sand. In some places, this effort is protected by humans who patrol beaches on foot, warding off poachers, predators and naïve tourists. But might there be a more effective way? Researchers used thermal infrared sensors mounted on drones to monitor sea turtle […]

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The mystery of narwhal behavior, solved by chaos theory

Narwhals are chaotic. At least, that’s what researchers thought until they developed a new math-based method to detect patterns in their seemingly irregular movements. Narwhals (Monodon monoceros) are known as the unicorns of the sea due to their distinctive single tusk, which is actually a feeling, enlarged tooth with up to 10 million nerve endings. […]

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Seeing through the swarm: How hawks hunt bat prey

Raptors are famous for their ability to home in on prey and attack with precision. But how does this work when they hunt animals that flock, school or swarm, forming bewildering displays that appear to move everywhere all at once? A study published today in Nature Communications reports that Swainson’s hawks (Buteo swainsoni) and some other raptors […]

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An emerald-green hummingbird lost to science reemerges in Colombia

In the mountains of Colombia, an experienced bird-watcher saw an iridescent flash of blue and green. “A hummingbird caught my attention. I got out my binoculars and was shocked to see that it was a Santa Marta sabrewing,” Yurgen Vega said. “This sighting was a complete surprise, but a very welcome one.” This was only […]

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