BLACKISH CRANE HAWK 



Like M. melanoleucus, a forest bird. It preys 

 on smaller birds, staying near the ground. A 

 specimen of this little hawk was seen perching 

 quietly in an upright position on a low branch in 

 deep forest on Barro Colorado Island in April, 

 1924. 



6. Geranospizias caerulescens niger (Du Bus) 

 Blackish Crane Hawk 



Geranospizias niger STONE, Proc. Phila. Acad. Nat. Sci., 

 1918, p. 243. 



Sexes alike. Length, 480 mm. (19.00 in.); 

 tail, 245 mm. (9.60 in.). Plumage entirely slaty 

 black, the tail crossed by two broad white bands ; 

 under surface of wings black with a few indis- 

 tinct and narrow white bars indistinguishable 

 from a distance. Bill black; legs reddish orange. 



Young. Upper parts black, the forehead and 

 line over eye white, the front of the crown 

 streaked with white; chin white; remaining 

 under parts black indistinctly striped with 

 white, shading to buff on abdomen. 



Slender, with long wings and a very long tail 

 and legs, a small head and weak bill. Sluggish in 

 habits, and found near marshes and ponds in 

 heavy forest. It is rare throughout its range. 



7. Accipiter tricolor (Vieillot) 

 Four-banded Hawk 



Length, Male about 393 mm. (15.50 in.); 

 tail, about 170 mm. (6.70 in.). Female larger. 



