Annual avian capture bouts during four seasons in seven sites near San Luis, Costa Rica, 2005–2008.

The annual cycle of seasons follow a chronological sequence: (1) dry, non-peak breeding (December–January); (2) dry, peak breeding (February–April); (3) wet, peak breeding (May–August); and (4) wet, non-peak breeding (September–November). An×in a cell indicates that a particular site was sampled during a particular season-year combination.