Table 2.

Acoustic characteristics of search and post-buzz signals for five recordings of P. pygmaeus flying in an open area in Denmark

NOTCH (%) IPI (ms) pbP (ms) N
S PB S PB S PB
pyD-1 0 29 60 96 104 9 7
pyD-2 0 33 74 130 124 4 3
pyD-3 75 0 86 85 21 5 4
pyD-4 0 33 82 48 86 5 6
pyD-5 0 33 95 86 29 5 9
  • IPI, interpause interval; pbP, post-buzz pause; S, search; PB, post-buzz.