estimation method mark-recapture method 4 survival 4 Argentina 2 Aves 2 Buenos Aires [Argentina] 2 Conservation 2 Density 2 Hirundinidae 2 Liolaemus multimaculatus 2 Mar Chiquita Biosphere Reserve 2 Mark-recapture 2 Monitoring 2 Nesting success 2 Sand dune lizard 2 South America 2 Squamata 2 Tachycineta bicolor 2 Tachycineta leucorrhoa 2 assessment method 2 demography 2 dune 2 endangered species 2 functional morphology 2 geographical variation 2 life history theory 2 lizard 2 nesting success 2 passerine 2 population density 2