This block is part of Lake Natron, Lake Manyara and Tarangire Ecological system. The closest being Taringire National Park about 70 km to the East.
Animals migrating from Tarangire National Park and Mkungunero Game Reserve have to pass through Lolkisale and Simanjiro Game controlled areas including, open areas like Masai open (West), Irkishbor and Masai Open (South) before entering in to this concession.
The Kitwai plains hunting concessions share the border eastward, therefore the migrating animals come and go through Masai Open (East) hunting block too.
A list will include the following in order of size but not necessarily in abundance:
All the big FIVE are present except the RHINO which was wiped out in the seventies.
Elephant, Giraffe-Masai, Buffalo-cape, Eland, Greater Kudu, Zebra, Lion, Kongoni, Wildebeest, Oryx-Fringe earned, Lesser Kudu, Grant’s Gazelle, Cheetah, Leopard, Impala, Hyenas, Reedbuck, Bushpig, Warthog, Gerenuk, Bushbuck, Baboon, Klipspringer, Wild dog, Jackals, Thomson’s Gazelle, Steinbuck, Duiker, Porcupine, Ratel, Caracal, Serval cat, Wild cat, Mongooses, Pangolin, Civet, Genet, Dikidik, Suni and other small mammals.
Important birds include
Ostrich, game birds-francolins, Spurfowls, vulturine Guinea fowl, helmeted Guineafowl, crested Guinea fowl, quails; water birds-ducks andgeese; sandgrouses, doves and pigeons. Bastards;birds of prey-vultures, eagles, falcons, kites, owls, etc.