Zanzibar Red Colobus monkey, one of Africa's rarest primates

Griffon vulture on ground with wings spread, Spain

Griffon vultures on ground with wings spread, Spain

Hooded Seal (Cystophora cristata), fighting males. Canada

Caribbean flamingo (Phoenicopterus ruber) is standing in the lagoon. The Galapagos Islands. Birds. Ecuador.

Lowland gorillas (Gorilla gorilla gorilla) in the wild. Republic of the Congo

Lowland gorillas (Gorilla gorilla gorilla) in the wild. Republic of the Congo

Portrait of Hippo mouth open in water, Botswana

African Savannah Elephant or Savannah Elephant (Loxodonta africana), agressive attitude, Lower Zambezi natioinal Park, Zambia

African Savannah Elephant or Savannah Elephant (Loxodonta africana), Intimidation, South Luangwa natioinal Park, Zambia

Common Hippo (Hippopotamus amphibius), Luangwa river, South Luangwa national Park, Zambia

Ostrich (Struthio camelus) female, Etosha, Namibia