Monarch butterflies and their close relatives thrive on poisonous milkweed, thanks to genetic mutations that block the effects of the plant's toxins while allowing the poisons to accumulate in the caterpillar or adult insects ...
Plants & Animals
Nov 22, 2021
1
293
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
0
306
Coastal nations are rightly worried about sea level rise, but in the countries around the Caspian Sea, over 100 million people are facing the opposite problem: an enormous drop in sea level. Technically, this sea is a land-locked ...
Environment
Dec 23, 2020
1
412
Climate change contributes to gradually warming Aprils in southern Illinois, and at least one migratory bird species, the prothonotary warbler, is taking advantage of the heat. A new study analyzing 20 years of data found ...
Plants & Animals
Dec 9, 2020
0
9
Animals that migrate "live fast and die young", new research shows.
Plants & Animals
Nov 17, 2020
0
151
Many species of birds have always migrated south in the fall to spend the winter there, including the small blackcap, which often weighs only a few grams and yet covers thousands of kilometers. However, changes in our landscapes ...
Plants & Animals
Nov 5, 2020
0
41
Migratory birds flying south provide an impressive example of cooperative behavior that saves power and energy. In the past, it was impossible for scientists to study this phenomenon in a natural environment. Researchers ...
Plants & Animals
Nov 2, 2020
0
231
A new study from the Cornell Lab of Ornithology confirms that most birds—but not all—synchronize their migratory movements with seasonal changes in vegetation greenness. This is the first study of its kind to cover the ...
Ecology
Oct 27, 2020
0
719
Long-distance animal migrations can trigger relapse of dormant infections, influencing when and where infection risk peaks, according to a new paper in Proceedings of the Royal Society B. The findings demonstrate that relapse ...
Ecology
Sep 16, 2020
0
30
A new study led by the Department of Biosciences at Durham University, UK, is the first large-scale assessment of how recent changes in both climate and land cover have impacted populations of migrating birds.
Plants & Animals
Aug 14, 2020
0
430
