Geralle National Park is primarily established to conserve endangered wildlife species of the country; gerenuk, giraffe and elephants. There are more than 42 species of mammals and 250 bird species in it. Almost 25 percents of the countries endemic birds are inhibited in the area.Geralle National Park is primarily established to conserve endangered wildlife species of the country; gerenuk, giraffe and elephants. There are more than 42 species of mammals and 250 bird species in it. Almost 25 percents of the countries endemic birds are inhibited in the area.