Answer:
Wildlife can be define as: Wild Fauna (animals) and flora (plants) in a certain area
Or it can be difined as: 'Undomesticated animal species, but has come to include all organisms that grow or live wild in an area without being introduced by humans.' also :3
Hope this helped :D
Ps: The first definition is mine, the second definition is through research :3
This passage refers to the events of the Battle of Marathon due to while Persionas and Athenians where fighting in this town close to Athens, Phiedippides was sent to send a message to try to make Spartans join at the battle. The other three battles had the participation of the Spartans being a runner as Phiedippides not needed.