Secrets of a sex-changing fish revealed
We may take it for granted that the sex of an animal is established at birth and doesn't change.
Plants & Animals
Jul 10, 2019
1
181
News tagged with dominant males
Gorillas found to live in 'complex' societies, suggesting deep roots of human social evolution
Gorillas have more complex social structures than previously thought, from lifetime bonds forged between distant relations, to "social tiers" with striking parallels to traditional human societies, according to a new study.
Plants & Animals
Jul 9, 2019
3
1573
Pregnant gelada monkeys abort when new male enters group
(PhysOrg.com) -- Pregnant female geladas show an unusually high rate of miscarriage the day after the dominant male in their group is replaced by a new male, a new University of Michigan study indicates.
Plants & Animals
Feb 23, 2012
3
0
Social rank may determine if animals live fast, die young
Anyone who has picnicked on the beach has experienced the unpleasant crunch of a sandwich with a surprise helping of sand. But for primates, the tolerance for sand may depend on whether their energy is better spent reproducing ...
Plants & Animals
Aug 7, 2024
0
16
Genetic mutation prompts 'deadbeat dad' fish to start raising their offspring
University of Maryland researcher Cheng-Yu Li was in the lab one day when he noticed a fish with a protruding jaw: A telltale sign that it was incubating eggs in its mouth, keeping its offspring safe until they were big enough ...
Ecology
Aug 2, 2024
0
58
Study finds facially expressive primates make better leaders
Facially expressive monkeys are more socially successful and lead better connected social groups, according to research by Nottingham Trent University which shows the benefits of facial communication in primates, including ...
Plants & Animals
Jul 18, 2024
0
176
When placed outdoors, female lab mice behave very differently
When you take the lab away, female mice are more likely to play, according to a new Cornell study.
Plants & Animals
Feb 14, 2024
0
34
Fish growth is not reduced by spawning, finds study
Contrary to what is stated in biology textbooks, the growth of fish doesn't slow down when and because they start spawning. In fact, their growth accelerates after they reproduce, according to a new article published in Science.
Plants & Animals
Apr 27, 2023
0
39
It's a female bonobo's world—ecologists propose new tools to assess sex and power among wild animals
In the wild, it might seem like male animals run the show. But in a review publishing in Trends in Ecology & Evolution on May 18, researchers lay a new framework to assess power distribution between the sexes, and its application ...
Plants & Animals
May 18, 2022
0
143
Female sheep found to prefer less dominant males when mating
A team of researchers from Universidad Autónoma del Estrado de Morelos and Universidad de la República, has found that given the choice, female sheep prefer to mate with less domineering males. In their paper published ...
