Are these animals the same species?
No, there are both giraffes and zebras.
   src        edge_attr  dst
0    0   to the left of    7
1    3               in    1
2    3   to the left of    7
3    4   to the left of    7
4    5   to the left of    8
5    7  to the right of    3
6    7  to the right of    0
7    7  to the right of    4
8    8  to the right of    5