Do these animals have different species?
Yes, they are giraffes and zebras.
     src        edge_attr  dst
0      0      in front of   14
1      0  to the right of   12
2      0  to the right of    9
3      0  to the right of   16
4      1      in front of    2
..   ...              ...  ...
141   23   to the left of   20
142   24  to the right of   10
143   24  to the right of    6
144   24   to the left of   20
145   24  to the right of   11

[146 rows x 3 columns]