Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Waveform, (b) spectrogram and (c) power spectrum of tick and ting of M. deliciosus showing sustained fundamental tone and harmonics. Power spectrum was calculated from segment of sound highlighted in (a,b) using Raven Pro 1.4 (www.birds.cornell.edu/raven).
