Are these animals of different types?
No, all the animals are zebras.
    src         edge_attr  dst
0     2   to the right of    3
1     2      reflected in   12
2     2  standing next to    4
3     2   to the right of    9
4     2   to the right of    8
5     2   to the right of    5
6     2   to the right of    4
7     2   to the right of   11
8     3    to the left of    5
9     3    to the left of    9
10    3    to the left of   10
11    3    to the left of    6
12    3    to the left of    2
13    3    to the left of    8
14    4    to the left of    6
15    4    to the left of    8
16    4    to the left of    5
17    4    to the left of    2
18    4    to the left of    7
19    4    to the left of    9
20    4    to the left of   10
21    5   to the right of    3
22    5   to the right of    4
23    5    to the left of    6
24    5    to the left of    2
25    5                of   10
26    5   to the right of    9
27    5   to the right of    7
28    6   to the right of    3
29    6   to the right of    9
30    6   to the right of    4
31    6   to the right of    5
32    6   to the right of    8
33    7    to the left of    5
34    7   to the right of    4
35    7                of   10
36    8                of   10
37    8   to the right of    3
38    8   to the right of    4
39    8    to the left of    2
40    8    to the left of    6
41    8   to the right of    9
42    9    to the left of    5
43    9    to the left of    8
44    9    to the left of    2
45    9   to the right of    4
46    9    to the left of    6
47    9   to the right of    3
48    9                of   10
49   10   to the right of    3
50   10   to the right of    4
51   11      reflected in   12
52   11    to the left of    2