What animal is perched on the post?
The animal is a seagull.
   src        edge_attr  dst
0    3       perched on   12
1    3      standing on   12
2    3       perched on    2
3    4  to the right of    7
4    6  to the right of   11
5    6  to the right of    9
6    7   to the left of    4
7    9   to the left of    6
8   11   to the left of    6