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Alexander Kotrschal proslijedio/la je Tweet
A tiny frogfish! (Photo: Paul Rudder)pic.twitter.com/65XHHGWHC0
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our 2018 paper
"Large‐brained frogs mature later and live longer" is now open access as it was a 'top cited article': https://onlinelibrary.wiley.com/doi/full/10.1111/evo.13478?elq_mid=40957&elq_cid=11594313&elqCampaignId=26637&utm_campaign=26637&utm_source=eloquaEmail&utm_medium=email&utm_content=ReaderEmail-Batch1-FY20-Q3-R-DG-TopCited-Authors-W161P&elqTrack=true …pic.twitter.com/B8tW9zsJgr
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Alexander Kotrschal proslijedio/la je Tweet
Open access to beautiful drawings of


published more than 200 years ago (https://www.flickr.com/photos/biodivlibrary/sets/72157629420821888/ …). Thanks @BioDivLibrary !Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Alexander Kotrschal proslijedio/la je Tweet
Who knew you can select guppies to act like herring in just a few generations! With
@KotrschalA,@Soccermatics,@Natabloch and many others. Rapid evolution of coordinated and collective movement in response to artificial selectionhttps://www.biorxiv.org/content/10.1101/2020.01.30.926311v1 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Alexander Kotrschal proslijedio/la je Tweet
Good overview of the
#spidergate case in Science. Thanks to@DingemanseLab for kicking off the scrutiny!https://www.sciencemag.org/news/2020/01/spider-biologist-denies-suspicions-widespread-data-fraud-animal-personality-research …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
This preprint sounds cool

:
"We opportunistically captured bees ... in different open fields and urban parks from Andalusia...32 unique species...", used some PGLMM. Verdict:

"Brain size predicts learning abilities in bees"
https://www.biorxiv.org/content/10.1101/2020.01.27.921114v1 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Amazing: Ants vs. termites (or rather lack thereof) (use translate function...)https://twitter.com/Mehdi_Moussaid/status/1221728634760781824 …
0:28Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Alexander Kotrschal proslijedio/la je Tweet
The curious deep-sea rattail fish is here to wish you happy
#YearOfTheRat
!
#WeirdandWonderfulpic.twitter.com/QXfI34f6sbHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Alexander Kotrschal proslijedio/la je Tweet
Very excited to share our paper now out in
@PNASNews on the evolutionary dynamics of cognitive evolution in paper wasps led by amazing postdoc Sara Miller (not on twitter). Evolutionary dynamics of recent selection on cognitive abilities https://www.pnas.org/content/early/2020/01/23/1918592117 … 1/nPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
So long old friend...you accompanied me for almost a decade, now you can rest.pic.twitter.com/8dDv8OExKn
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I heard this story some time ago at a meeting and it is really cool!https://twitter.com/MatteoSanton/status/1220005399706918912 …
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Alexander Kotrschal proslijedio/la je Tweet
An amazing day surveying sea caves in
#Trinidad for roosting#oilbirds with@Zoology_Museum. Some caves were hunted out decades ago but this one had 100s of birds!#ornithology (thread)pic.twitter.com/7rsOaih3dpPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Alexander Kotrschal proslijedio/la je Tweet
Out now in BiolLett
@RSocPublishing, we find a general but non-parallel increase in brain size of guppies introduced to low pred sites. No change in region sizes. Together suggests weak selection on brain morph? Thx to coauthors@KotrschalA &@regivegat https://royalsocietypublishing.org/doi/10.1098/rsbl.2019.0654 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Young fish are born at a larger size. As brain size is measured as being relative to body size, it is possible that our results reflect these life-history changes with a lag in brain anatomy evolution.
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...and the initial period after the introduction was a period of relaxed energetic pressures: populations were under carrying capacity with abundant food availability. Once populations were subject to density regulations, selection pressures switched from fast to slow growth and
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We found they do not. On the contrary - most populations evolved larger brains. Why? Maybe beacause of a relaxation of selection on the constraints to the upper and lower limit of brain size in the initial period after the introductions. Brains are expensive...
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We previously selected on brain size in guppies and found that this makes them more clever https://www.sciencedirect.com/science/article/pii/S0960982212014388 … and gives them a survival advantage under predation https://onlinelibrary.wiley.com/doi/abs/10.1111/ele.12441 … so when translocating fish from high to low predation they should evolve smaller brains?
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We (
@DrDJDavidJ and@regivegat) investigated the relationship between predation pressure and brain size from a new angle: Translocating high predation guppies to low predation sites impacts their brain evolution, but in an unexpected way. Thread https://royalsocietypublishing.org/doi/10.1098/rsbl.2019.0654 …pic.twitter.com/mGDmm4pVB4
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Alexander Kotrschal proslijedio/la je Tweet
I'm hiring a technician to work with our group! If you love frogs, functional genomics, scary large genomes, and/or gene expression associated with behavior, please apply! See our website for our group & interests: https://oconnell.stanford.edu/ Application:http://m.rfer.us/STANFORD-tSABW
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Amazing workshop for evolutionary biology students. Very very highly recommended
https://twitter.com/sbonhoeffer/status/1219612565430525953 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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