In 1868, the naturalist Charles Darwin wrote that differences in plumage coloration between male and female birds of the same species were likely the result of sexual selection: Female birds—he used the peahen and peacock ...
Evolution
Oct 11, 2022
0
9
Researchers at the University of Stirling have found that animals in lakes closest to the Chernobyl nuclear reactor have more genetic mutations than those from further away, giving new insight into the effect of radiation ...
Plants & Animals
Jan 26, 2022
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63
A team of scientists from the Senckenberg Gesellschaft für Naturforschung, the LOEWE Center for Translational Biodiversity Genomics (TBG), and the Leibniz Institute for Zoo and Wildlife Research investigated whether evolutionary ...
Plants & Animals
Jan 20, 2022
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9
Animals can fall into an "ecological trap" by altering their behavior in the "wrong direction" in response to climate change, researchers say.
Evolution
Dec 16, 2020
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66
Unless it happens to be allergy season, most people don't give a lot of thought to pollen. But new research might change the way we look at a field of flowers.
Evolution
Apr 16, 2020
0
156
Researchers at the University of Illinois have shown through a multi-year study that cowbirds (Molothrus ater) conform to Bateman's Principle, which holds that reproductive success is greater in males than in females when ...
Plants & Animals
Sep 30, 2019
0
22
During the mating season, male treehoppers—small plant feeding insects—serenade potential mates with vibrational songs sent through plant stems. If a female treehopper's interest is sparked, a male-female duet ensues ...
Plants & Animals
Aug 9, 2019
2
60
The scientific community has long held an understanding about the effect of temperature on sperm production in mammals, but this new study sheds light on how spermatogenesis in insects is hampered at extreme temperatures.
Evolution
Apr 15, 2019
3
97
The presence of a rival male affects sperm quality, according to a research study led by the University of Alicante and the University of Upsala (Sweden). The work was carried out with adult zebrafish (Danio rerio) and reveals ...
Plants & Animals
Apr 12, 2019
0
27
A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...
Plants & Animals
Apr 5, 2019
0
197
