Brown bears that are more inclined to grate and rub against trees have more offspring and more mates, according to a University of Alberta study. The results suggest there might be a fitness component to the poorly understood ...
Plants & Animals
May 12, 2021
0
117
Although loggerhead sea turtles return to the same beach where they hatched to lay their eggs, a new study by a USF professor finds individual females lay numerous clutches of eggs in locations miles apart from each other ...
Plants & Animals
Jan 28, 2021
0
5246
The loss of flowering plants and the widespread use of pesticides could be a double punch to wild bee populations. In a new study, researchers at the University of California, Davis, found that the combined threats reduced ...
Plants & Animals
Oct 6, 2020
0
249
Brown-headed cowbirds show a bias in the sex ratio of their offspring depending on the time of the breeding season, researchers report in a new study. More female than male offspring hatch early in the breeding season in ...
Plants & Animals
Jun 24, 2020
1
88
A long-term study of copperhead snakes in a forest near Meriden, Connecticut, revealed that five consecutive years of drought effectively ended the snakes' reproductive output.
Ecology
Oct 29, 2019
0
883
The old saying that people marry their parents may be true for poison dart frogs, and it may even lead to the formation of new species, according to a new study in Nature based on work at the Smithsonian Tropical Research ...
Plants & Animals
Oct 3, 2019
0
254
When a gorilla group's silverback is close to the end of his reproductive years, females face a dilemma: Should they stay with him until he dies or leave him for another male? A team of researchers from the Max Planck Institute ...
Plants & Animals
Sep 11, 2019
0
541
Single-sex prawns could help alleviate poverty, reduce disease and protect the environment, according to researchers at Ben-Gurion University of the Negev (BGU) who have developed a monosex prawn that may make this winning ...
Ecology
Sep 4, 2019
0
273
Dieter Lukas and Elise Huchard have now looked into infanticide by female mammals. In previous studies, males have been found to kill when females will not mate with them if they are still caring for an offspring sired by ...
Plants & Animals
Jul 15, 2019
3
41
In the past several decades, a mutation has spread among male Pacific field crickets (Teleogryllus oceanicus) in Hawaii that leads to wing structures that are unable to produce the crickets' signature chirping. While the ...
Plants & Animals
Jul 2, 2019
0
1
