David Tipling / Brown hare (Lepus europaeus) boxing in spring North Norfolk, England, UK. May.

Brian Bevan / Brown hare (Lepus europaeus) boxing, Bedfordshire, England, UK, March.

Dietmar Nill / Two European hares (Lepus europaeus) boxing in a snow covered field, Germany, March.

Ingo Arndt / Eastern grey kangaroos sparring {Macropus giganteus} Australia

Andy Rouse / Mountain hares (Lepus timidus) boxing in snow, Scotland, UK, December.

Erlend Haarberg / Mountain hares (Lepus timidus) boxing, Vauldalen, Sor-Trondelag, Norway, May.

Erlend Haarberg / Mountain hares (Lepus timidus) boxing, Vauldalen, Sor-Trondelag, Norway, May.

Erlend Haarberg / Mountain hares (Lepus timidus) boxing, Vauldalen, Sor-Trondelag, Norway, May.

Andy Rouse / European hares (Lepus europaeus) boxing, UK

Andy Rouse / European hares (Lepus europaeus) boxing, UK

Andy Rouse / 2020VISION / European Hares (Lepus europaeus) boxing, female on right. Wales, UK, June. Sequence 2 of 2. Did you know? A group of hares is known as a drove.

Andy Rouse / 2020VISION / European Hares (Lepus europaeus) boxing, female on right. Wales, UK, June. Sequence 1 of 2.