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
The evolutionary pressure to pass on DNA can produce behavior that otherwise makes no sense in a struggle to survive. Rams bash heads in fights over females; peacocks grow elaborate tail feathers that attract mates and predators ...
Cell & Microbiology
Sep 4, 2019
1
54
In "Intra- and Interspecific Variation in Production of Bile Acids that Act As Sex Pheromones in Lampreys," published in Physiological and Biochemical Zoology, Tyler J. Buchinger and others find that sexual selection may ...
Plants & Animals
Sep 3, 2019
0
11
Animals around the world are seeing their environments change. Climate change is causing heating and changes to weather patterns, the oceans are becoming more acidic, and previously undisturbed habitats are being altered ...
Plants & Animals
Jul 30, 2019
0
5
For a new species to evolve, two things are essential: a characteristic—such as a colour—unique to one species and a mating preference for this characteristic. For example, individuals from a blue fish species prefer ...
Evolution
Mar 5, 2019
0
20
They're neither white and gold or black and blue. But in an optical puzzle akin to The Dress, colourful snails are causing scientists at the University of Nottingham to turn to technology to definitively decide whether some ...
Plants & Animals
Feb 25, 2019
0
141
How do individuals choose their mates? Why are some more successful at attracting mates than others?
Plants & Animals
Feb 22, 2019
0
40
Women are less successful in receiving research funding than men if the selection process focusses on the scientist making the pitch rather than the science presented, according to new research released Friday.
Social Sciences
Feb 8, 2019
0
24
Results, published in Nature Communications, have shown that the nature of the evolutionary forces which act on male fruit flies depend on how many mates a females has.
Plants & Animals
Jan 17, 2019
0
37
Male birds are often the ones with the most vibrant feathers, or the most elaborate songs, but researchers said Thursday that what female birds could really appreciate is a male who shows his intelligence.
Plants & Animals
Jan 10, 2019
0
338
