Are these animals of different types?
Yes, they are horses and birds.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    4
2     0   to the left of    9
3     1   to the left of    9
4     4   to the left of    8
5     4  to the right of    6
6     4   to the left of   12
7     4   to the left of    9
8     4  to the right of    0
9     5               in    2
10    6   to the left of    8
11    6               on    7
12    6   to the left of    4
13    6   to the left of    9
14    8  to the right of    4
15    8  to the right of    6
16    8  to the right of    0
17    8   to the left of   12
18    9  to the right of    0
19    9  to the right of    1
20    9  to the right of    4
21    9  to the right of    6
22    9   to the left of   12
23   11  to the right of   12
24   12  to the right of    9
25   12  to the right of    8
26   12  to the right of    4
27   12   to the left of   11
28   13               on    7