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lunedì 14 maggio 2018

# behav: individual warning recognition among Jackdaws

<< Jackdaws recognise each other's voices and respond in greater numbers to warnings from familiar birds than strangers >>

AA << have discovered that each bird has a unique call, and the size of the mob depends on which bird calls the warning >>

University of Exeter. Angry birds: Size of jackdaw mobs depends on who calls warning. May 10, 2018.

https://m.phys.org/news/2018-05-angry-birds-size-jackdaw-mobs.html

<< (..) so the identity of the initiator may determine the magnitude of the group response >>

Richard D. Woods, Michael Kings, et al. Caller characteristics influence recruitment to collective anti-predator events in jackdaws. Scientific Reports.  8 : 7343 (2018). doi: 10.1038/s41598-018-25793-y

https://www.nature.com/articles/s41598-018-25793-y

FonT

quindi le taccole discriminano   l'individuo che lancia l'allarme, come per dare "un peso" alla veridicita' del segnale; se le taccole hanno una sorta di approccio analitico per la gestione del rumore legato al messaggio, significa che sanno gestire le "fake news" ... come gli umani, anzicheforse ...

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