Extraordinary Leptictidium fossils have been found that tell us they ate lizards, insects and small mammals and even that they had fur. Large hind legs indicate they were bipedal, however scientists have puzzled over whether they hopped like kangaroos or ran like chickens. A long, bare tail acted as a counterbalance and a mobile snout helped Leptictidium to sniff out its prey. Three different species have so far been discovered. It's most probable that they became extinct when their forest habitat gave way to open grasslands.

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