1 / How long does the average gestation of an elephant last ?
2 / How many pulses per minute does the heart of a hibernating hedgehog have ?
3 / How many kilometers is the howling monkey scream audible ?
4 / In which year was the last living dodo seen in Mauritius ?
5 / How many bison did Buffalo Bill slaughter in just 18 months ?
6 / At what altitude do alpine ibex live in general ?
7 / How many minutes can a sea lion swim underwater without breathing ?
8 / What is, in centimeters, the length of the tongue of an adult anteater ?
9 / What is the percentage of rodents among mammals ?
10 / How many times a minute can an anteater get its tongue out of its mouth ?