Denis-Huot / Two Impala (Aepyceros melampus) males fighting on dusty ground, Amboseli National Park, Kenya.
01742035
Denis-Huot / Two Impala (Aepyceros melampus) males fighting on dusty ground, Amboseli National Park, Kenya.
01742034
Denis-Huot / Two Impala (Aepyceros melampus) males fighting on dusty ground, Amboseli National Park, Kenya.
01742033
Denis-Huot / Two Impala (Aepyceros melampus) males fighting on dusty ground, Amboseli National Park, Kenya.
01741990
Carol Walker / A wild red roan stallion rearing up as a rival approaches, Salt Wells Creek, Wyoming, USA. June.
01741980
Carol Walker / Two wild stallions fighting, a bay roan and a black stallion, Salt Wells Creek, Wyoming, USA. June.
01741979
Carol Walker / A wild red roan stallion rearing up as another stallion approaches, Salt Wells Creek, Wyoming, USA. May.
01741956
Alex Mustard / Two Red Sea goatfish (Parupeneus forsskali) wrapping their barbels around each other, fighting, Sharm El Shiekh, Sinai, Egypt. Red Sea.
01731574
Bernard Castelein / Nursery web spider (Pisaura mirabilis) on web guarding spiderlings, Brasschaat, Belgium. August.
01731573
Bernard Castelein / Nursery web spider (Pisaura mirabilis) on web guarding spiderlings, Brasschaat, Belgium. August.
01731566
Bernard Castelein / Nursery web spider (Pisaura mirabilis) female, resting on dew covered wrapping cover of its breeding ball, Klein Schietveld, Brasschaat, Belgium. July.
01739329
Joel Sartore / Photo Ark / Monocled cobra (Naja kaouthia) albino raised and flaring its hood in threat display, Amphibian Foundation, Atlanta. Captive.