BLACK-CROWNED NIGHT HERON. 



61 



s 



70* 

















70' 





60* 





60- 





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A^\X\\X 







_^[t!j^cV^\ \ \ J^; \ 



50° 

 «tf 



30" 

 20* 



^^^T^^Ci^Z^ 



Im? 



B4y \\ 



\ ■"'-•"\'n[ \^^*\ \ \ jc 





111 KMP'f 





• *& V^— -V^\ \ \ 





ffc&A 









/ l\V 













1 « 



11 



L$5& 



H 4 



* \ *""\1 \ \ \ 



10* 



p 



0' 

 20' 



40" 











H 4 ! 



/& 



^4\ 







— 











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fhi 



^r 

















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J 















L 





"1 







A 1 



# 



*~S^^^r^~~-^L / / 



A 



k 





50* 



60" 





m 





• BREEDING 



O OCCURRENCE IN SUMMER 

 + WINTERING 

 •if- OCCURRENCE IN WINTER 

 + RESIDENT 





y^<<^***H^c 













Fi«, 20. — Black-crowned hight heron (Nycticorax nycticorax nuevius). 



