Are the animals of different species?
No, all the animals are birds.
    src        edge_attr  dst
0     0  to the right of    8
1     3   to the left of    5
2     5  to the right of    3
3     5  to the right of   10
4     8   to the left of    9
5     8   to the left of    0
6     8            below    9
7     9  to the right of    8
8     9       perched on    8
9     9       sitting on    8
10   10   to the left of    5
11   10               in    4