36 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 4^ 



Table 36. — Data jrom observations near Frijoles between July 7 and 



August 16, i960 



The number of times certain species of the blue and green tanager and honey- 

 creeper alliance were seen in mixed flocks and apart from mixed flocks, and the 

 average number of individuals of each of these species per mixed flock and per 

 nonmixed flocks. 



No. of No. of 



times times Percentage Average Average 



species species Total No. of times No. individ- No. individ- 



seen in seen not times species uals per uals per 



mixed in mixed species seen mixed nonmixed 



Species flocks rl. cks seen mixed flock flock 



Plain-colored 



tanagers 1S 7 25 72 1.56 1.86 



Palm tanagers 25 47 72 35 1.20 1.08 



Blue tanagers 67 76 [43 47 1.75 L58 



Red-legged blue 



honeycreepers ..21 7 28 75 1.24 1.71 



Blue dacnises u 4 15 73 J -82 2.00 



Crimson-backed 



tanagers 56 55 11 1 50 L50 1-62 



White-lined 



tanagers 15 6 21 71 1.07 1.17 



Thick-billed 



euphonias 9 9 100 1.67 — 



Streaked 



saltators 28 46 74 38 1.14 1.15 



Buff-throated 



saltators 21 13 34 62 1.14 1.31 



Table 37. — Data from observations near Frijoles between July 7 and 



. lugust 16, 1900 



A complete list of all the unambiguous interspecific following, joining, and 

 supplanting reactions by tanagers and finches observed. (No honeycreepers or 

 warblers were seen to perform unambiguous interspecific reactions in this area 

 during this period of observations.) 



1 case of a blue tanager following a plain-colored tanager 



1 case of a crimson-backed tanager following a blue tanager 



1 case of a plain-colored tanager joining a white-lined tanager 



1 case of a blue tanager joining a palm tanager 



1 case of a blue tanager joining a crimson-backed tanager 



1 case of a streaked saltator joining a palm tanager 



1 case of a streaked saltator joining a seedeater * 



1 case of a plain-colored tanager supplanting a blue dacnis 



1 case of a plain-colored tanager supplanting a lesser elaenia 



1 case of a streaked saltator supplanting a blue tanager 



* This bird was almost certainly a female or juvenile male variable seedeater. 



