It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
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3
Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Plants & Animals
Dec 19, 2011
1
0
When it comes to determining how women and men store fat differently, it turns out fruit flies may hold the key.
Plants & Animals
Jan 28, 2020
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173
Researchers of the Department of Ethology, Eötvös Loránd University (ELTE) have been investigating dogs' reactions to wolf howls. Are there dogs that are more prone to reply with howling? Are these dogs genetically closer ...
Ecology
Feb 6, 2023
3
1671
Few things are as interesting to a male mouse as the scent of a female. Pheromones released by females draw the attention of male mice and trigger courtship and mating behavior.
Cell & Microbiology
Aug 17, 2016
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362
The Y chromosome is a never-ending source of fascination (particularly to men) because it bears genes that determine maleness and make sperm. It's also small and seriously weird; it carries few genes and is full of junk DNA ...
Evolution
Aug 24, 2023
0
12
Researchers from McGill University have identified a form of chemical signaling in mice to defend their offspring. The researchers found that proximity to pregnant and lactating female mice increased stress hormones in males ...
Plants & Animals
May 24, 2022
2
160
(Phys.org)—In male songbirds of the temperate zone, the concentration of sex hormones is rising in spring, which leads to an increase in song activity during the breeding season. In the tropics, there has been little evidence ...
Plants & Animals
Oct 31, 2012
0
0
(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases plumage ...
Plants & Animals
Oct 21, 2011
0
0
A small, brown mouse found in the forests of Central America bucks the rodent trend of conversing in high-pitched squeaks often inaudible to the human ear.
Plants & Animals
Apr 25, 2018
0
71
