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.

Chimpanzee intelligence determined by genes

A chimpanzee's intelligence is largely determined by its genes, while environmental factors may be less important than scientists previously thought, according to a Georgia State University research study.

Brainy lizards pass test for birds

Tropical lizards may be slow. But they aren't dumb. They can do problem-solving tasks just as well as birds and mammals, a new study shows.

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