Acoustic Repertoire of the Philippine Tarsier (Tarsius syrichta fraterculus) and Individual Variation of Long-Distance Calls
Figure 2
Spectrograms of eight call types reported in the Philippine tarsier (a–h). In loud call (a) and smack-whistle (b), the two parts are labeled I. whistle part, II. smack part, in chirp (d), trill (e), and twitter (g) the note is labelled, other calls are single-note calls.