Data from: Cognitive performance is linked to group size and affects fitness in Australian magpies

Benjamin J Ashton, Amanda R Ridley, Emily K Edwards & Alex Thornton
The Social Intelligence Hypothesis argues that the demands of social life drive cognitive evolution. This idea receives support from comparative studies linking variation in group size or mating systems with cognitive and neuroanatomical differences across species, but findings are contradictory and contentious. To understand the cognitive consequences of sociality it is also important to investigate social variation within species. Here we show that in wild, cooperatively breeding Australian magpies, individuals living in larger groups show...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?