In a few snakes, most notably boas and pythons, you will find vestiges with the hindlimbs in the form of a set of pelvic spurs. These modest, claw-like protrusions on each side on the cloaca would be the external portion of the vestigial hindlimb skeleton, which includes the stays of an ilium and fe… Read More

The three species are effortlessly distinguished with the pattern of their stripes. Within the plains zebra the stripes are vast and commonly spaced; some subspecies have lighter “shadow stripes” involving the leading stripes. The northern subspecies of your plains zebra tend to be more absolute… Read More