Cyril Ruoso / Crested guan (Penelope purpurascens) perched in tree, in tropical rainforest. Golfito, Costa Rica.

Cyril Ruoso / Orchid bee (Eulaema meriana) in flight, close up. Golfito, Costa Rica.

Cyril Ruoso / Great curassow (Crax rubra) male, portrait. Golfito, Costa Rica.

Cyril Ruoso / Botanist Dr. Anton Weissenhofer using a drone to survey, part of tropical rainforest regeneration project. Golfito, Costa Rica. 2018.

Cyril Ruoso / Smooth-skinned toad (Rhaebo haematiticus) amongst leaf litter. Golfito, Costa Rica.

Cyril Ruoso / Person planting tree in pasture, part of a tropical rainforest regeneration project. Golfito, Costa Rica. 2018.

Cyril Ruoso / Group of people including botanist Dr. Anton Weissenhofer planting trees in pasture, part of a tropical rainforest regeneration project. Golfito, Puntarenas, Costa Rica. 2018.

Cyril Ruoso / Great curassow (Crax rubra) female roosting, perched on branch in tropical rainforest. Golfito, Costa Rica.

Cyril Ruoso / Man holding sapling from tree nursery, portrait. Trees used for tropical rainforest regeneration. Golfito, Costa Rica. 2018.

Cyril Ruoso / Lantern bug (Pyrops sp) larvae on stem. Golfito, Costa Rica.

Cyril Ruoso / Flame violet (Episcia lilacina). Golfito, Costa Rica.

Cyril Ruoso / Botanist Dr. Anton Weissenhofer and colleague putting leaves into a press to create a herbarium. Leaves from trees planted in a former pasture four years previously, part of a tropical rainforest rest...

Cyril Ruoso / White-faced capuchin (Cebus capucinus imitator) in tree in tropical rainforest. Golfito. Costa Rica.

Cyril Ruoso / Bromeliad (Bromeliaceae) seedling growing as epiphyte on leaf alongside moss, lichen and cyanobacteria. Golfito, Costa Rica.

Cyril Ruoso / Bromeliad (Bromeliaceae) seedling growing as epiphyte on leaf alongside moss, lichen and cyanobacteria. Golfito, Costa Rica.

Cyril Ruoso / Leaf covered in epiphytes including moss, lichen and cyanobacteria. Golfito, Costa Rica.

Cyril Ruoso / Orchid bee (Euglossa imperialis) male in flight, close up. Golfito, Costa Rica.

Cyril Ruoso / Orchid bee (Euglossa imperialis) male in flight, close up. Golfito, Costa Rica.

Cyril Ruoso / Orchid bee (Euglossa imperialis) male in flight, close up. Golfito, Costa Rica.

Cyril Ruoso / Orchid bee (Euglossa imperialis) male in flight. Golfito, Costa Rica.

Tim Laman / Aerial view of Golfito Bay with mangrove forest, Puntarenas, Costa Rica.

Tim Laman / 'Nature Air' aircraft flying over rainforest. This airline is carbon neutral, offsetting their carbon use by buying rain forest in the Osa Peninsula. Golfito, Puntarenas, Costa Rica.

Cyril Ruoso / Black-crowned Central American Squirrel Monkey (Saimiri oerstedii), Golfito, Costa Rica

Cyril Ruoso / Reticulated Glass Frog (Hyalinobatrachium valerioi) egg clutch, Golfito, Costa Rica

Cyril Ruoso / Many-scaled Anolis (Anolis polylepis) in territorial display, Golfito, Costa Rica

Cyril Ruoso / Many-scaled Anolis (Anolis polylepis), Golfito, Costa Rica

Cyril Ruoso / Parrot Snake (Leptophis ahaetulla) feeding on frog, Golfito, Costa Rica

Cyril Ruoso / White-lipped Mud Turtle (Kinosternon leucostomum), Golfito, Costa Rica

Cyril Ruoso / White-lipped Mud Turtle (Kinosternon leucostomum) in creek, Golfito, Costa Rica

Cyril Ruoso / Frog eggs on leaf, Golfito, Costa Rica

Cyril Ruoso / Frog eggs on leaf, Golfito, Costa Rica

Cyril Ruoso / Many-scaled Anolis (Anolis polylepis) in territorial display, Golfito, Costa Rica

Cyril Ruoso / Orchid Bee (Euglossa imperialis) feeding on flower nectar, Golfito, Costa Rica

Cyril Ruoso / Botanist, Dr. Anton Weissenhofer, examining plant in tropical rainforest, Golfito, Costa Rica

Cyril Ruoso / Botanist, Dr. Anton Weissenhofer, holding seedling, Golfito, Costa Rica

Cyril Ruoso / Great Curassow (Crax rubra) female and male, Golfito, Costa Rica

Cyril Ruoso / Great Curassow (Crax rubra) female calling, Golfito, Costa Rica

Cyril Ruoso / Helmeted Iguana (Corytophanes cristatus), Golfito, Costa Rica

Cyril Ruoso / Botanist, Dr. Anton Weissenhofer, using drone to look at tropical rainforest regeneration, Golfito, Costa Rica

Cyril Ruoso / Creek in primary tropical rainforest, Golfito, Costa Rica

Cyril Ruoso / Creek in primary tropical rainforest, Golfito, Costa Rica

Cyril Ruoso / Primary tropical rainforest, Golfito, Costa Rica

Cyril Ruoso / Conservationist holding soil with earthworms during replanting in pasture for tropical rainforest regeneration, Golfito, Costa Rica

Cyril Ruoso / Trees being planted in pasture for tropical rainforest regeneration, Golfito, Costa Rica

Cyril Ruoso / Tropical rainforest in mist, Golfito, Costa Rica

Cyril Ruoso / Botanist, Dr. Anton Weissenhofer, at tree nursery used in tropical rainforest regeneration, Golfito, Costa Rica

Cyril Ruoso / Arum (Araceae), Golfito, Costa Rica

Cyril Ruoso / Botanist, Dr. Anton Weissenhofer, botanist eating flower in tropical rainforest, Golfito, Costa Rica