A crew member watching the sun rise over the Paraguay River from the walkway of the Marajó XVIII, moored at Porto Santa Anita, Mato Grosso do Sul, Brazil, 31 August 2026.

Photographed during the Paraguay River Expedition, a Jaguar Rivers Initiative survey running downstream from Corumbá, Brazil, into Paraguay and Argentina. The initiative is an alliance of Rewilding Argentina, Fundación Moisés Bertoni (Paraguay), Nativa (Bolivia) and Onçafari (Brazil). Photographed by Henry Maillet with support from the National Geographic Society.