How are the animals that are floating in the water called?
The animals are ducks.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    6
2     0  to the right of   13
3     0  to the right of   14
4     0  to the right of    5
5     1  to the right of    7
6     1    drinking from    2
7     1         drinking    4
8     3      floating in    4
9     3               in    4
10    3               in    2
11    5       covered in   14
12    5   to the left of    0
13    5   to the left of   16
14    5  to the right of    7
15    6   to the left of    0
16    7   to the left of   16
17    7   to the left of   13
18    7   to the left of    1
19    7   to the left of    8
20    7   to the left of    5
21    8  to the right of    7
22    8   to the left of   11
23    8   to the left of    0
24    8  to the right of   12
25   11  to the right of    8
26   11  to the right of   12
27   12   to the left of   13
28   12   to the left of   11
29   12   to the left of    8
30   13  to the right of    7
31   13  to the right of   12
32   13   to the left of    0
33   14   to the left of   16
34   14   to the left of    0
35   16  to the right of   14
36   16  to the right of    5
37   16  to the right of    7