A careful look at the few bats that can walk on the ground – including the common vampire bat – is helping us understand why evolution has yet to produce a flightless bat
A careful look at the few bats that can walk on the ground – including the common vampire bat – is helping us understand why evolution has yet to produce a flightless bat
Exactly that is why bats are not flightless. They have had no pressure to leave their niche or opportunity enticing them away. They are still at their local evolutionary maximum.