Lab at Barro Colorado Island, Panama, our principal field site.

Rio Chagres, Panama, the water supply for the Panama Canal.

Jim standing beneath a single strangler fig tree in Fortuna, Panama.

Elo at Palo Verde, Costa Rica.

Lower montane forest, Fortuna, Panama.

The Hornito Valley, Fortuna, Panama.

Quebrada Honda, Fortuna, Panama.

Volcan Baru, Panama.

Elo among the bromeliads in a Puerto Rican dwarf forest.