In males of many species, it pays to identify females that are nearing maturity to be the first in line for mating. Now researchers reporting in the journal iScience have found a remarkable example: male spider mites guard ...
Plants & Animals
Jul 7, 2023
0
335
California sea lions have managed to maintain—and, in the case of males, increase—their average body size as their population grows and competition for food becomes fiercer. This is in contrast to other marine mammals, ...
Plants & Animals
Apr 27, 2023
0
76
Sexual selection provides an answer to the existence of lavishly ornate signals in animals, but not to the question of why such signals are attractive—for example, why do females prefer the extravagant plumage of peacocks? ...
Evolution
Apr 4, 2023
1
167
Male beetles face a trade-off between competing with other males for mating opportunities and repairing damage to their sperm DNA, according to a study published April 4 in the open access journal PLOS Biology by Mareike ...
Plants & Animals
Apr 4, 2023
0
119
Males of a species evolving traits for sexual conflict can cause problems for females, and, ultimately, the whole population.
Evolution
Mar 3, 2023
6
324
Dinosaur claws had many functions, but now a team from the University of Bristol and the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing has shown some predatory dinosaurs used their claws for ...
Paleontology & Fossils
Feb 27, 2023
0
370
Male peacocks shake elaborate trains—a dazzling mating display—and male peacock spiders also dance, showing off brightly-colored abdomens. Nature's most bizarre and conspicuous displays often evolved to attract mates. ...
Evolution
Feb 6, 2023
0
13
Bird species that breed with several sexual partners have fewer harmful mutations, according to a study led by the Milner Centre for Evolution at the University of Bath. The study, published in Evolution, shows for the first ...
Evolution
Jan 24, 2023
0
47
Fighting for mates may be a behavior that dates back over 400 million years.
Evolution
Jan 17, 2023
0
172
The evolutionary clade and biodiversity of green lizards of the genera Lacerta and Timon—reptiles common in the Mediterranean basin and surrounding areas of the European continent, North Africa and Asia—have never been ...
Evolution
Oct 28, 2022
0
4
