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Argentina
1
Aves
Bos
1
Diuca diuca
Saltatricula multicolor
1
Zonotrichia capensis
1
cattle
1
choice and non-choice trials
1
diet
1
food preference
1
foraging behavior
1
forb seeds
1
granivory
1
grass
1
grass seeds
grazing
1
habitat degradation
1
habitat fragmentation
1
herb
1
passerine
1
seed size
1
specialist
1
-
1