i6 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I49 



Fig. 3. — Postures accompanying vocal patterns of adult male yellow-rumped 

 tanagers. 



From top to bottom : 



a. Typical posture accompanying Dawn Calling of Hoarse Flourishes 

 and/or "Kioo" or Klioo" Notes. With typical Head-fluffing. 



b. Posture frequently or usually assumed when "Tzzheet" Notes are uttered 

 in series. With some Head-fluffing and Belly-fluffing. 



c. Most typical posture accompanying 'Tzzheet" — Thin Rattle — Hoarse 

 Flourish performances. With moderate Back-ruffling. 



d. Posture assumed by a male uttering a series of "Tzzheet" Notes. This 

 individual looked from side to side between and during the notes. It also 

 performed Back-ruffling. The wings were held in such a way that the yellow 

 area of the lower back and rump appeared to be irregular in shape (this is 

 not uncommon) . 



