1.   These tough little creatures had just walked a thousand kilometers or so on nothing but milk, chilli and flour.

2.   Although the creature walked upright, the combination of specialised chewing behaviour and a small brain does not make it our direct ancestor.

3.   One particularly gross creature walked alongside them with its stomach rumbling.

4.   These hapless creatures must walk a line between appearing callous or overeager.

5.   But until a hipjoint, a knee and a foot are found scientists will not be able to answer the question of whether or not the creature walked upright.