Article title: Soundscape of urban-tolerant crickets (Orthoptera: Gryllidae, Trigonidiidae) in a tropical Southeast Asia city, Singapore
Authors: Tan, M.K.
Journal: Bioacoustics
DOI: 10.1080/09524622.2020.1813627
When the above article was first published online, Figure 4 was incorrect. The correct figure should appear as below:
Also, the following sentences should be revised as below:
The words ‘dominant frequency’ on page 8:
“..a dominant frequency of 13.1 ± 0.2 kHz [13.0–13.5 kHz] (Figure 4(b)). The echemes are more widely spaced apart and down times are less consistent (Figure 3(b))..”
Should be ‘second peak’:
“..a second peak of 13.1 ± 0.2 kHz [13.0–13.5 kHz] (Figure 4(b)). The echemes are more widely spaced apart and down times are less consistent (Figure 3(b))..”
In the first paragraph on page 9:
“..[0.97–1.10 s]) making up of around 40 ± 4 (38–45) syllables (Figure 3(c)), and has a harmonic series with the dominant frequency (= 11.6 ± 1.6 kHz [10.0–13.0 kHz]) peaking in the second harmonic; and fundamental frequency of 3.5 kHz (Figure 4(c))..”
It should be revised to:
“..[0.97–1.10 s]) making up of around 40 ± 4 (38–45) syllables (Figure 3(c)), and has a harmonic series with the dominant and fundamental frequency of 3.5 kHz (Figure 4(c))..”
Second Paragraph on page 9:
“ … and has a harmonic series with the dominant frequency either peaking in the first harmonic (i.e., = fundamental frequency of 5.5 kHz) or peaking in the third harmonic of 17 kHz (16.5–17.5 kHz) (Figure 4(d))..”
Should be revised to:
“ … and has a harmonic series with the dominant frequency in the first harmonic (i.e., = fundamental frequency of 5.5 kHz) (Figure 4(d))..”
First paragraph on page 11:
“..at non-ultrasonic to near-ultrasonic frequencies ranging from 5.5 to 23.5 kHz (Figure 6), while the forests harbour more species which calls at ultrasonic frequencies (Tan et al. 2019)..”
It should be ‘non-ultrasonic frequencies ranging from 3.5 to 12’:
“..at non-ultrasonic frequencies ranging from 3.5 to 12 kHz (Figure 6), while the forests harbour more species which calls at ultrasonic frequencies (Tan et al. 2019)..”
The online version of this article has been corrected.