Research overview: cursorial postcranial adaptations of Homotherium

This overview examines the distinctive postcranial skeleton of Homotherium, whose elongated forelimbs, shorter hindlimbs, and digitigrade stance give it a sloping, hyena-like build very different from the compact, muscular Smilodon. These proportions are interpreted as adaptations for greater endurance and efficient travel across open landscapes, suggesting Homotherium could cover ground in pursuit of prey rather than relying solely on short ambush rushes. The survey reviews studies of limb-bone structure, joint mobility, and inferred gait, and how they support a model of the scimitar cat as a more cursorial, open-habitat hunter, possibly active over long distances and even by day. It contrasts this lifestyle with the grapple-and-hold strategy of dirk-toothed sabertooths and links anatomy to prey choice.