The border wall snaking along the US-Mexican border was built to keep migrants out—but conservationists say the towering metal barrier also stops wildlife from moving between natural habitats.
Ecology
Oct 14, 2022
0
8
Migratory animals include a wide range of species—from tiny insects to the world's largest marine mammals. To achieve their journeys, migrants must walk, swim, or fly, often traversing complex landscapes that requires many ...
Plants & Animals
Aug 10, 2022
0
65
Animals have three main strategies to survive the freezing temperatures of winter: migrating, remaining in place and resisting the cold, and reducing body temperature and metabolic rate in a state called torpor.
Plants & Animals
May 4, 2022
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56
How migratory animals find their way to the wintering grounds, thousands of kilometers apart from their breeding ground, is a fascinating riddle of nature. Previous studies have suggested they possibly follow the geomagnetic ...
Plants & Animals
Feb 22, 2022
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5
At Christmas, thousands of greetings cards feature the iconic winter plumage of the robin. But not all the robins you might find in your backyard are permanent natives to your country. In the UK, for example, some will have ...
Plants & Animals
Jan 5, 2022
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5
Animals that migrate north to breed are being put at risk by ongoing climate change and increasing human pressure, losing earlier advantages for migration, declining in numbers and faring much worse than their resident counterparts, ...
Plants & Animals
Oct 18, 2021
1
76
Using measurements from ESA's Earth Explorer Swarm mission, scientists have developed a new tool that links the strength and direction of the magnetic field to the flight paths of migrating birds. This is a huge step forward ...
Plants & Animals
Jul 12, 2021
0
6
Along with climate change, species extinction is one of the greatest threats to life on earth. For about 50 years, researchers have been documenting the population trends of different animal and plant groups in so-called ...
Plants & Animals
Jun 24, 2021
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21
An analysis of 18 species of stationary and migratory bats living in Switzerland has discovered that they harbor viruses from 39 different viral families—including some viruses with the potential risk of jumping to other ...
Ecology
Jun 16, 2021
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21
The 1949 letter by the physicist and Nobel laureate discusses bees, birds and whether new physics principles could come from studying animal senses.
General Physics
May 13, 2021
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