Table 1 Overview on nightingale song measures
From: Multiple song features are related to paternal effort in common nightingales
Measure | Definition | Mean ± SD | CV |
|---|---|---|---|
Repertoire size | Number of different song types | 181 ± 35 | 0.19 |
Whistle repertoire size | Number of whistle song types in the repertoire | 28 ± 5 | 0.18 |
Whistle song occurrence | Number of whistle songs (independent of types) in the song sample | 74 ± 17 | 0.23 |
Trill repertoire size | Number of trill song types in the repertoire | 20 ± 4 | 0.2 |
Trill song occurrence | Number of trill songs in the song sample | 64 ± 10 | 0.15 |
Buzz repertoire size | Number of buzz song types in the repertoire | 5 ± 1 | 0.33 |
Buzz song occurrence | Number of buzz songs in the song sample | 14 ± 4 | 0.3 |
Shortest path | Network measure: the path connecting two nodes with the minimal number of nodes in between | 4.66 ± 0.84 | 0.18 |
Transitivity | Network measure: a measure for the probability that adjacent nodes of a given node are connected as well | 0.18 ± 0.03 | 0.17 |