Baisani

Baisani (kutoka Kiing.: bison, Kisayansi: Bison) ni jenasi ya wanyama wakubwa wa Amerika na Ulaya wanaofanana na ng'ombe.

Spishi
 Bison bison, Baisani wa Amerika (American Bison)
 Bison b. athabascae, Baisani-misitu (Wood bison)
 Bion b. bison, Baisani-nyika (Plains bison)
 Bison bonasus, Baisani wa Ulaya (Wisent)
 Bison b. bonasus, Baisani wa Uwanda wa Chini (Lowland wisent)
 †Bison b. caucasicus, Baisani wa Kaukasia (Caucasian wisent) - imekwisha sasa (1927)
 †Bison b. hungarorum, Basiani wa Karpati (Carpathian wisent) - imekwisha sasa (1852)

Spishi za kabla ya historia
 †Bison antiquus (Ancient Bison)
 †Bison latifrons (Giant Bison)
 †Bison occidentalis (Bison occidentalis)
 †Bison priscus (Steppe Wisent)

Picha

Jamii:Ng'ombe na jamaa