Mark-recapture mark-recapture method 4 Aves 2 Colony size 2 Forager abundance 2 Foraging activity 2 Formicidae 2 Hirundinidae 2 Nesting success 2 Pogonomyrmex 2 Pogonomyrmex inermis 2 Pogonomyrmex rastratus 2 South America 2 Tachycineta bicolor 2 Tachycineta leucorrhoa 2 abundance 2 ant 2 colony structure 2 demography 2 estimation method 2 foraging behavior 2 functional morphology 2 geographical variation 2 life history theory 2 nesting success 2 passerine 2 reproductive behavior 2 reproductive success 2 survival 2 temperate environment 2