What is the bird on?
The bird is on the branch.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    9
2     0  to the right of    7
3     0  to the right of    1
4     0  to the right of    5
5     1   to the left of    0
6     2   to the left of   13
7     2   to the left of   12
8     3   to the left of   13
9     3   to the left of   12
10    5               on   13
11    5   to the left of    0
12    5   to the left of    6
13    6               by    5
14    6  to the right of   13
15    6  to the right of    5
16    7   to the left of    9
17    7   to the left of    0
18    8   to the left of    0
19    8   to the left of    9
20    9   to the left of    0
21    9  to the right of    7
22    9  to the right of    8
23   10   to the left of   13
24   11   to the left of   13
25   12   to the left of   13
26   12             near   15
27   12  to the right of    3
28   12  to the right of    2
29   13  to the right of   10
30   13   to the left of    6
31   13  to the right of    2
32   13  to the right of    3
33   13  to the right of   11
34   13  to the right of   12
35   15          next to   12
36   15             near   12