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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News tagged with dominance
'Sea butterfly' life cycle threatened by climate change may impact Southern Ocean ecosystem
The world's oceans absorb approximately a quarter of all carbon dioxide (CO2) emissions. During absorption, CO2 reacts with seawater and oceanic pH levels fall. This is known as ocean acidification and results in lower carbon ...
Plants & Animals
May 11, 2023
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Tennessee foresters helping to return chestnuts to American forests
The American chestnut was a dominant species in eastern U.S.'s forests before a blight wiped it out in the early 1900s. Today it's being returned to the landscape thanks in part to work by a University of Tennessee Forestry ...
Ecology
Sep 23, 2009
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Researchers identify a pheromone in the urine of male tilapia fish that stimulates spawning in females
The exchange of chemical signals between organisms is considered the oldest form of communication. Acting as messenger molecules, pheromones regulate social interactions between conspecifics, for example, the sexual attraction ...
Plants & Animals
Aug 29, 2014
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Forest mortality and climate change: The big picture
Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...
Environment
Sep 9, 2012
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How status sticks to genes
Those at the bottom of the social ladder are known to live shorter and sicker lives than those at the top. And the stress of life at the bottom may have long-term health effects that even upward mobility can't undo, according ...
Plants & Animals
Oct 15, 2019
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Female deer confirm bigger is not always better when choosing a mate
Female deer do not always choose the bigger and dominant males to mate with, scientists from Queen Mary, University of London and Hartpury College have found.
Plants & Animals
Apr 6, 2011
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Male hormones help lemur females rule
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.
Plants & Animals
May 12, 2015
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Birdsong independent of brain size
(PhysOrg.com) -- The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behaviour could be linked to the size of their song repertoires. ...
Plants & Animals
Jun 13, 2011
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Superdaddy Pyros keeps Pyrenees bear numbers up
The number of bears roaming the Pyrenees remained stable at a minimum of 22 last year, thanks largely to the continued virility of Pyros, the undisputed daddy of the colony.
Ecology
May 12, 2013
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