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- The impact of free-ranging domestic cats on wildlife of the . . .
Here we conduct a systematic review and quantitatively estimate mortality caused by cats in the United States We estimate that free-ranging domestic cats kill 1 4-3 7 billion birds and 6 9-20 7 billion mammals annually Un-owned cats, as opposed to owned pets, cause the majority of this mortality
- The picture is worth three billion birds: peak migration . . .
The picture is worth three billion birds: peak migration timing for the contiguous US Andrew Farnsworth The Cornell Lab May 01, 2020 One of the highlights of studying migration in the era of Big Data is the opportunity to characterize patterns at large spatial and temporal scales that involve billions of moving organisms!
- Cats Kill Far More Birds Than Wind . . . - Business Insider
The plight of birds in the US is very real: A 2019 study found that North America may have lost nearly 3 billion birds, or a quarter of its total bird population, since 1970
- Birds - Audubon Southwest
Birds At the convergence of a dizzying array of habitat types, the American southwest is a region like no other Between Arizona and New Mexico, the region boasts the continent’s four major deserts (the Chihuahuan, Sonoran, Mojave, and Great Basin), the southern extent of the Colorado Plateau and the Rocky Mountains, the northern tip of Mexico’s Sierra Madre Occidentalis, the northern
- What Doomed the Pterosaurs? - Smithsonian Magazine
From a smattering of fossils found in the late Cretaceous rock of Morocco, Andres and colleagues have identified seven species of pterosaur—one familiar, and six new to science—belonging to
- First-of-Its-Kind Digital Platform Reveals Migration Data for . . .
NEW YORK – Today, as millions of birds are flocking to their wintering grounds, the National Audubon Society and nine partner organizations announced the Bird Migration Explorer (www birdmigrationexplorer org), a state-of-the-art digital platform that reveals migration data consolidated for 458 bird species that breed in the United States and Canada
- Will 17-year Cicadas Be a Buffet or . . . - Smithsonian Magazine
Being able to understand how birds respond to noise like the 17-year cicadas will help researchers understand how birds react to noise levels in general, such as in urban areas or airports
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