Andrew Parkinson / Arctic Skua (Stercorarius parasiticus) pair almost colliding in flight, as they pursue an Arctic Tern (Sterna paradisaea). Shetland Islands, Scotland, UK, July. (non-ex)
01589530
Stephane Granzotto / Male Black grouse (Tretrao tetrix) displaying at lek, chases another male away, Rhone-Alpes, France, May.
01504674
Frederique Olivier / Male Impala (Aepyceros melampus) chasing a group of females, Serengeti NP, Tanzania.
01467221
Klaus Echle / Capercaille (Tetrao urogallus) male, chasing man during courtship display, Black Forest, Baden-Wurttemberg, Germany. April.
01475069
Andy Rouse / European Hare (Lepus europaeus) male running during courtship chase, UK, March.
01475068
Andy Rouse / European Hare (Lepus europaeus) male running during courtship chase, UK, March.
01475067
Andy Rouse / European Hare (Lepus europaeus) male running during courtship chase, UK, March.
01475055
Andy Rouse / Hare (Lepus europaeus) courtship chase in early morning, UK, May.
01475053
Andy Rouse / Hare (Lepus europaeus) courtship chase in early morning, UK, May.
01475052
Andy Rouse / Hare (Lepus europaeus) courtship chase in early morning, UK, May.
01475050
Andy Rouse / European Hare (Lepus europaeus) courtship chase in early morning, UK, May.
01463792
Lou Coetzer / Male South African shelduck (Tadorna cana ) chasing Helmeted guinea fowl (Numida meleagris) Etosha, Namibia, July.
01447196
Jean E. Roche / Man running from Camargue cow in the bull ring, Camargue, France, July 2012.
01455887
Ernie Janes / Two male Mallards (Anus platyrhyncha) pursuing a female, Norfolk, England, UK, November.
01134243
Doug Perrine / Pod of Atlantic spotted dolphins (Stenella frontalis)pursue pair of Bottlenose dolphins {Tursiops truncatus}, Bahamas
