Do the animals have different types?
No, all the animals are giraffes.
    src        edge_attr  dst
0     3               of   12
1     3               of    7
2     3               of    1
3     3   to the left of    6
4     3   to the left of    4
5     4  to the right of   11
6     4  to the right of    5
7     4  to the right of    3
8     5   to the left of    4
9     5   to the left of   12
10    5   to the left of    7
11    6  to the right of   11
12    6  to the right of    8
13    6  to the right of    3
14    7  to the right of    5
15    7  to the right of   11
16    8   to the left of    6
17   11   to the left of    6
18   11   to the left of    4
19   11   to the left of    7
20   12  to the right of    5