Arbelaez-Cortes and Marin-Gomez • MIXED-SPECIES BIRD FLOCKS 
575 
TABLE 1. Bird species observed participating in mixed-species bird flocks in a high montane zone ol Qumdio, central 
.Andes of Colombia. The right column depicts results only from 2005 observations. _ 
Family/Species 
Number of mixed- 
species bird Hocks 
Number of individuals/ More common wilhin mixed-species 
mixed-species bird flock (mean) bird Hocks lhan apart from ihcm 
Trogonidae 
Trogon personatus 
Picidae 
Colaptes rivolii 
Furnariidae 
Sywllaxis unirufa 
Margaromis squamiger 
Pseudocolaptes boissonneautii 
Tyrannidae 
Phyllomyias nigrocapillus 
Mecocerculus stictopterus 
M. leucophrys 
Pieitdotriccus ruficeps 
Myiotheretes fumigatus 
OMoeca nifipectoralis 
0. cinnammeivenlris 
Hemilriccus granadensis 
Cotingidae 
Ampelion rubrocristatus 
Tityridae 
Pachyramphus versicolor 
Corvidae 
Cyanolyca armilluta 
Troglodytidae 
Troglodytes solstilialis 
Tliraupidac 
Cnemoscopus rubrirostris 
Henuspingus atmpileus 
H. supercUiaris 
d. venicalis 
Buthraupis montana 
B. eximia 
B. wetmorei 
Anisognathus lacrvmosus 
A. igniventris 
dubusia taeniata 
Iridosomis rufivertex 
Tongara vassorii 
Coni rostrum siiticolor 
Oiglossa cyanea 
0. lafresnayii 
0 albilatera 
Crothraupis stolz/naiwi 
Emberuidae 
Arremon torquatus 
Atlapetes pallidinucha 
A. schistaceus 
3 
1-2 (1.3) 
1 
3 
25 
1-7 (1.9) 
9 
1-5 (1.7) 
4 
1-2 (1.3) 
10 
1-3 (1.9) 
21 
1-7 (3.2) 
2 
1-2 (1.5) 
2 
1-2 (1.5) 
1 
1 
1 
1 
1 
1 
1 
1 
1 I 
13 
1 
1-3 (1.7) 
2 
2 
3-5 (4.0) 
11 
1-4 (1.9) 
10 
1-7 (2.9) 
12 
1-5 (2.7) 
15 
1-4 (2.1) 
2 
1-3 (2.0) 
20 
1-4 (1.9) 
35 
1-5 (1.8) 
1 
3 
19 
1-5 (3.3) 
19 
1-5 (2.3) 
20 
1-5 (2.4) 
8 
1-4 (2.5) 
6 
1-2 (1.8) 
1 
2 
7 
2-5 (3.6) 
1 
1 
4 
1-5 (3.0) 
5 
1-5 (2.2) 
