E(iKETS. 209 



168. BLACK-CROWNED NIGHT HERON. 



Larger. 26, and stouter; ash-white; top 

 of head and back bLack; bill, dark; feet, 

 yellow; slender plume on back of head, 

 white. Young, brown, white streaked, figs. 

 153 and 154, small fig., young. Very com- 

 mon, breeding in large heronry. Flight 

 and wing-beats, slow. Cry a harsh, abruptly 

 given qnack uttered in flight and other 

 gutteral sounds best heard on the breeding 

 grounds. Social at all time. Although noc- 

 turnnl, frequently feed by day, especially in 

 breeding season. Nests from March (Fla.) 

 to June (northern N. E.) 



169. YELLOW-CROWNED NIGHT 

 HERON. 



Smaller than last, 23; bill, thicker; 

 head and back plumed, darker above strekaed 

 with black especially on crown and sides of 

 head. Young, darker brown, narrowly 

 streaked with lighter. Cry, similar but not 

 as harsh and is less seldom given. Often 



