Where are the animals?
The animals are in the water.
     src        edge_attr  dst
0      0  to the right of   35
1      0  to the right of   16
2      0  to the right of    5
3      0  to the right of   37
4      0  to the right of   19
..   ...              ...  ...
233   38  to the right of   36
234   38  to the right of   37
235   38  to the right of    2
236   38   to the left of   17
237   38  to the right of    3

[238 rows x 3 columns]