Urban birds have bigger brains

Researchers have concluded that urban dwelling birds forced to adapt and innovate in a concrete environment have a larger brain, relative to their body size. In the process, scientists have found family traits are key to identifying why certain birds thrive in certain European cities, and consequently generally in urban environments. Urban bird achievers include tits, crows, nuthatches and wrens

Evolution slows down as number of competitors increases

According to a new research, published in PLoS, as the total number of different species in a certain group grows, the chance of the rate of new species apprearing decreases greatly. The research team believes these findings suggest that new species appear less and less as the number of species in a region approaches the maximum number that it can