Size larger, averaging 1.8-3 kg; nape patch small and indistinct; pelage with abundance of black guard hairs; postorbital processes usually fused to skull (Fig. 25b)
Size smaller, 1.8 kg or less; nape patch prominent behind ears; less black pelage; postorbital processes touching but not well fused to skull (as in Lepus, Fig. 25a)
