Denis-Huot / RF- Masai giraffe (Giraffa camelopardalis tippelskirchi) males fighting. Masai-Mara Game Reserve, Kenya. (This image may be licensed either as rights managed or royalty free.)
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Laurent Geslin / Close up of heads of two rutting male Alpine Ibex(Capra Ibex ibex) with locked horns, Alps, France
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Richard Du Toit / Impala (Aepyceros melampus) two males with antlers locked in sparring dispute, Mpumalanga Province, South Africa
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Matthew Maran / Two Blacktail Deer (Odocoileus hemionus columbianus) sparring with locked horns. Ucuelet, Vancouver Island, Canada, September.
