Paternity of subordinates raises cooperative effort in cichlids
Cichlid male nannies help out, especially if they've been sneaking.
Plants & Animals
Oct 12, 2011
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Page 5 - News tagged with female offspring
Super shrimp could increase yield and prevent disease
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
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273
Crocodile's 'virgin birth' is a first for science's history books
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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'Stick men' may be rendered obsolete in insect world
(PhysOrg.com) -- Male stick insects are becoming increasingly redundant, with new research showing some New Zealand female stick insects can reproduce as efficiently on their own as with a male mate.
Plants & Animals
Mar 24, 2010
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Virgin births from parthenogenesis: How females from some species can reproduce without males
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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Nightingales show off their fathering skills through song
The song of the male nightingale tells females how good a father he will be, according to research published in the open access journal BMC Evolutionary Biology.
Plants & Animals
Jun 18, 2015
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Weird world of Aussie bees: How one species creates gender balance in the nest
New Flinders University research gives insights into the fascinating world of Australian native bees, finding that one highly evolved species has been shaped by an unusual battle between male and female offspring numbers.
Evolution
Mar 1, 2023
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70
Female mammals kill the offspring of their competitors when resources are scarce
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
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Male crickets losing ability to sing, despite reproductive advantage of singing
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
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Female choice benefits mothers more than offspring
The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Plants & Animals
Oct 22, 2009
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