Rosthramus hamatus., 
6/2/24, Flying low over a . 
Swampy field at Obi- 
dos, in company with 
two Black-collarecd | 
Hawks. Rosthramus was 
more numerous... 
4/12/26. One flying over a 
Swampy thicket at 
the edge of the fo- 
rest at Utinga, Para 
(N Biñd-tailed Kite. 
" 7 
