Are these animals of the same type?
Yes, all the animals are giraffes.
    src        edge_attr  dst
0     1               of    7
1     1   to the left of    4
2     2   to the left of    4
3     2   to the left of   11
4     4  to the right of    1
5     4  to the right of    2
6     4  to the right of   11
7     6   to the left of    8
8     6               in    5
9     7               in    5
10    8  to the right of    6
11    8   to the left of   10
12    8               in    5
13   10  to the right of    8
14   11   to the left of    4
15   11  to the right of    2