Are these animals of different types?
No, all the animals are birds.
    src        edge_attr  dst
0     0         covering    1
1     1       covered by    0
2     2            above    3
3     2   to the left of   11
4     3            under    2
5     3            below    2
6     3   to the left of   10
7     3   to the left of    8
8     3   to the left of    7
9     4               on    5
10    4       walking on    5
11    7      in front of    8
12    7  to the right of    3
13    7  to the right of   10
14    7   to the left of    8
15    8           behind    7
16    8  to the right of   10
17    8  to the right of    3
18    8  to the right of    7
19   10  to the right of    3
20   10   to the left of    8
21   10   to the left of    7
22   11  to the right of    2