The churning waters of the Pacific Ocean surge towards a Swallow-tailed gull perched on the edge of South Plaza. The force of the breaking wave is a reminder of the ocean's importance to these birds, the only nocturnally feeding gull in the world. The lives of these gulls depend on the sea -- survival is always at issue here. This image speaks to how life in the Galapagos is linked to the sea's productivity yet also threatened by its potential for destruction.