Do these animals have different species?
No, all the animals are giraffes.
    src        edge_attr  dst
0     0               on    7
1     0  to the right of   10
2     1      in front of    8
3     1             near   10
4     1      in front of    5
5     1      in front of    7
6     1          next to   10
7     1      in front of   14
8     1      standing in    4
9     1   to the left of    5
10    1  to the right of   14
11    1           behind   15
12    2   to the left of   12
13    3   to the left of   11
14    3   to the left of   10
15    5           behind    1
16    5  to the right of   13
17    5  to the right of   10
18    5  to the right of    1
19    6   to the left of   10
20    7           around    1
21    7           behind    1
22    7  to the right of   10
23    8  to the right of   10
24   10             near    1
25   10          next to    1
26   10  to the right of    6
27   10   to the left of    7
28   10   to the left of    8
29   10  to the right of   11
30   10  to the right of   13
31   10  to the right of   14
32   10             near   13
33   10   to the left of    0
34   10   to the left of    5
35   10  to the right of    3
36   11  to the right of    3
37   11   to the left of   10
38   12  to the right of    2
39   12  to the right of   13
40   13   to the left of   12
41   13   to the left of   10
42   13   to the left of    5
43   13          next to   10
44   13  to the right of   14
45   14           behind    1
46   14   to the left of   13
47   14   to the left of   10
48   14   to the left of    1