Are the animals in the picture of different types?
No, all the animals are zebras.
    src        edge_attr  dst
0     0  to the right of   16
1     0  to the right of   15
2     0  to the right of   18
3     0  to the right of   17
4     0  to the right of    5
..  ...              ...  ...
64   17   to the left of    0
65   17  to the right of   10
66   17  to the right of    2
67   18  to the right of    9
68   18   to the left of    0

[69 rows x 3 columns]