There are some examples of evolution happening much faster than you'd think. The traditional view was that it took tens of thousands of years for a species to

There are some examples of evolution happening much faster than you'd think. The traditional view was that it took tens of thousands of years for a species to change, but there have been some with notable changes in only a few generations. All that needs to happen is 1) there exists some (breeding) individual who contains the mutations, and 2) the selection pressure is strong enough.