However, many other factors also affect intelligence and recent discoveries concerning bird intelligence decrease confidence with the usefulness of brain size as an indicator.
Recent discoveries concerning bird intelligence have decreased confidence in the usefulness of brain size as an indicator. However, many other factors also affect intelligence.
However, many other factors also affect intelligence. Recent discoveries concerning bird intelligence have decreased confidence in the usefulness of brain size as an indicator.
However, many other factors also affect intelligence. Recent discoveries concerning bird intelligence have decreased confidence in the usefulness of brain size as an indicator.