Are all the animals of the same species?
Yes, all the animals are cows.
    src        edge_attr  dst
0     0  to the right of    2
1     2   to the left of    0
2     6  to the right of   16
3     6  to the right of   14
4     6  to the right of    7
5     7  to the right of   27
6     7  to the right of    8
7     7   to the left of    6
8     7   to the left of   26
9     7   to the left of   13
10    8   to the left of    7
11    8   to the left of   16
12    8   to the left of   14
13   11   to the left of   24
14   11   to the left of   16
15   12   to the left of   21
16   12   to the left of   15
17   13  to the right of   14
18   13  to the right of    7
19   13  to the right of   16
20   14   to the left of    6
21   14  to the right of    8
22   14   to the left of   13
23   14   to the left of   26
24   14  to the right of   27
25   15  to the right of   21
26   15  to the right of   12
27   16   to the left of    6
28   16  to the right of   24
29   16   to the left of   13
30   16  to the right of   11
31   16  to the right of    8
32   16  to the right of   27
33   16   to the left of   26
34   16               in    5
35   17               in    5
36   17  to the right of   18
37   18               in    5
38   18   to the left of   17
39   19  to the right of   23
40   19  to the right of   20
41   20   to the left of   19
42   20   to the left of   23
43   21  to the right of   12
44   21   to the left of   15
45   23  to the right of   20
46   23   to the left of   19
47   24  to the right of   11
48   24   to the left of   16
49   26  to the right of   16
50   26  to the right of   14
51   26               in    5
52   26  to the right of    7
53   27   to the left of    7
54   27   to the left of   16
55   27   to the left of   14
56   27               in    5