Are the animals of different species?
Yes, they are seagulls and birds.
    src        edge_attr  dst
0     0            below    2
1     1            below   10
2     1           beside    7
3     1            below    7
4     2               of    1
5     2               on    1
6     2            above    7
7     2               in    5
8     2            above    0
9     2  to the right of    9
10    4  to the right of    9
11    4               of    2
12    6               in    8
13    6               in    5
14    9           behind   10
15    9   to the left of    2
16    9   to the left of    4
17    9               in    8
18   10               in    8
19   10      in front of    9