Fig. 5From: Development and behavior of Plaintive Cuckoo (Cacomantis merulinus) nestlings and their Common Tailorbird (Orthotomus sutorius) hostsSpectrogram displaying begging calls of cuckoo nestlings (left panel) and tailorbird nestlings (right panel) over age-intervals (the far left panel). Time is shown on the x axis (similar time-capture of all spectrograms) and frequency on the y axis (from 0 to 21 kHz)Back to article page