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Sep 21, 2020 · Most birds migrate at night, so biologists have started using existing weather radar technology to monitor large flocks. Some of the latest dual-polarization radar sends out two microwave beams ...
Oct 8, 2020 · Common assumptions notwithstanding, rare species can play unique and essential ecological roles. After studying two databases that together cover all known terrestrial mammals and birds worldwide ...
Some of these bird species (e.g., Clark’s nutcracker Nucifraga columbiana and marsh tit Poecile palustris) are able to remember over 100 cache sites after time delays of several months, by far exceeding the average human memory. Remarkably, not only can bird species that cache food for themselves (e.g., marsh tits) correctly remember the ...
May 17, 2022 · Antone Martinho-Truswell's analysis of birds' behaviors shows that, in many ways, a human is "the bird without feathers." Four key traits that are essential to what it is to be human are shared ...
Aug 26, 2024 · Nearly 12,000 species of birds exist in the wild, and every day, humans document their sightings of the animals. But a handful of avian species haven’t been spotted in years—or, in some cases ...
Oct 8, 2020 · Most species are geographically restricted, and rarity has become one of the cornerstones of many ecological studies and conservation strategies for decades 1,2,3,4.Rare species are of particular ...
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Aug 19, 2024 · Birds are among the most diverse and fascinating creatures on Earth, with over 10,000 known species. However, more than 1,480 bird species are considered globally threatened due to small and declining populations or ranges.1 Here
