Table 3.
Numbers (N) of all recorded vocalizations and the samples used to measure acoustic parameters, and correct classification rates based on discriminant function analysis (DFA) per call type from the vocal repertoire of free‐ranging adult R. roxellana
N of all vocalizations | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
N of vocalizations | N of individuals | N of vocalizations per individual (range) | N of vocalizations used to measure acoustic parameters | DFA | ||||||
Call type | Males | Females | Males | Females | Males | Females | N of vocalizations | N of individuals | N of vocalizations per individuals (range) | Correct rate (%) |
Coo | 360 | 173 | 7 | 11 | 31–94 | 4–31 | 63 | 14 | 1–12 | 92.1 |
Shrill * | 124 | 9 | 5–36 | 9 | 5 | 1–3 | ||||
Whine | 74 | 3 | 5 | 2 | 3–21 | 1–2 | 20 | 4 | 2–8 | 90.0 |
Long grunt * | 4 | 16 | 1 | 4 | 4 | 2–6 | 7 | 3 | 2–3 | |
Grunt | 111 | 140 | 5 | 6 | 9–44 | 4–81 | 41 | 7 | 1–14 | 100.0 |
Growl | 94 | 13 | 2–15 | 15 | 7 | 1–4 | 100.0 | |||
Bark | 14 | 22 | 3 | 6 | 3–7 | 1–7 | 11 | 7 | 1–3 | 72.7 |
Rattle | 45 | 9 | 2–10 | 16 | 11 | 1–4 | 50.0 | |||
Squeak | 135 | 9 | 6–28 | 11 | 4 | 1–5 | 81.8 | |||
Squeal * | 30 | 6 | 2–10 | 9 | 4 | 1–3 | ||||
Compound squeal | 58 | 8 | 2–18 | 19 | 6 | 1–9 | 47.7 | |||
Bawl * | 2 | 6 | 1 | 3 | 2 | 1–3 | 3 | 3 | 1 | |
Compound squeak * | 28 | 6 | 3–12 | 9 | 3 | 1–6 | ||||
Three syllabled bark | 22 | 3 | 2–17 | 13 | 2 | 1–12 | 100.0 | |||
Modulated tonal scream | 42 | 10 | 1–22 | 21 | 10 | 1–8 | 66.7 | |||
Chuck | 23 | 229 | 2 | 16 | 7–16 | 3–33 | 32 | 14 | 1–10 | 93.8 |
Mounting grunt | 71 | 3 | 13–21 | 12 | 3 | 1–7 | 100.0 | |||
OVERALL | 659 | 1,167 | 311 | 85.8 |
Not included in DFA due to small sample sizes.