gus_demo : lifeform the field :
lifeform_id name genus species population wikipedia_url New lifeform
1 house cat Felis domesticus 5 http://en.wikipedia.org/w Delete Edit
2 White Oak Quercus alba 0 http://en.wikipedia.org/w Delete Edit
3 human Homo sapiens 2 http://en.wikipedia.org/w Delete Edit
4 chicken Gallus gallus 0 http://en.wikipedia.org/w Delete Edit
5 hedgehog Atelerix albiventris 0 http://en.wikipedia.org/w Delete Edit
6 dog Canis familiaris 0 http://en.wikipedia.org/w Delete Edit

Read the documentation.