What kind of animal is to the right of the ladder?
The animals are chickens.
    src       edge_attr  dst
0     2  to the left of    6
1     2  to the left of    9
2     2  to the left of   10
3     2  to the left of   17
4     2  to the left of    3
..  ...             ...  ...
66   19  to the left of    9
67   19  to the left of   10
68   19  to the left of   11
69   19  to the left of    6
70   19  to the left of    3

[71 rows x 3 columns]