Despite their small brains—ravens are just as clever as chimps

A study led by researchers at Lund University in Sweden shows that ravens are as clever as chimpanzees, despite having much smaller brains, indicating that rather than the size of the brain, the neuronal density and the structure ...

IQ tests show individual differences in bird brains

Dr Rachael Shaw, a postdoctoral research fellow in Victoria's School of Biological Sciences, conducted a study on a group of wild North Island robin based at Zealandia to examine the mental skills of individual birds.