When female birds mate with males other than their social partners and have broods of mixed paternity, the offspring sired by these "extra-pair" fathers may often get a head start in life, according to a new report published ...
Plants & Animals
Apr 30, 2009
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A male orca's best friend is his old mother.
Plants & Animals
Jul 22, 2023
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Paul Nelson is used to doing battle with an invasive fruit fly called the spotted wing drosophila, a pest that one year ruined more than half the berries on the Minnesota farm he and his team run. In recent years, they've ...
Agriculture
Jun 17, 2023
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Stories of virgin births, where young are produced without fertilization, have been told throughout history. Mars the ancient Roman god, Horus the ancient Egyptian god and Qi from ancient Chinese mythology were all born to ...
Plants & Animals
Jun 11, 2023
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38
Researchers at Oregon State University have found that the blue orchard bee, an important native pollinator, produces female offspring at higher rates in the aftermath of wildfire in forests.
Plants & Animals
Jan 14, 2021
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An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her mother had never been with a male water dragon. Through genetic testing, zoo scientists discovered the newly ...
Plants & Animals
Dec 15, 2020
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Parenting behaviour varies greatly across the animal kingdom. In most mammals, only mothers look after the young, and in most fishes, only fathers look after the young. When it comes to birds, mothers and fathers usually ...
Plants & Animals
Oct 17, 2018
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The aging of males and females is influenced by how they choose to invest their available energy, according to a study of fruit flies carried out at Linköping University, Sweden. The results, published in The American Naturalist, ...
Plants & Animals
Oct 11, 2018
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3
Males will mate with anything. Well, that is the general view, one that exists because of a simple biological underpinning: females are reproductively limited by costly gestation, while males are only limited by their number ...
Plants & Animals
Apr 11, 2014
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0
Subordinate female meerkats who try to breed often lose their offspring to infanticide by the dominant female or are evicted from the group. These recently bereaved or ostracised mothers may then become wet-nurses for the ...
Plants & Animals
Oct 7, 2013
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