Doug Gimesy / Field volunteer Grant Purcell shows how to place a weighted radio receiver into a river to help track the movement of platypus (Ornithorhynchus anatinus) which have had transponders attached. Mitta Mi...

Heather Angel / Peach leaved bellflower (Campanula persicifolia) dissection, petals removed to show how stamens transfer pollen to style via secondary pollen presentation in bud stage. Focus stacked.

Marie Read / Backyard setup for photographing Ruby-throated Hummingbirds (Archilocus colubris) in summer, New York, USA. A medical syringe is used to inject a few drops of sugar solution into the flower (set up in...

Shane Gross / Mural painted on the side of a small grocery store on Eleuthera Island, Bahamas depicting how the fate of the Bahamian fishery is tied closely to that of the invasive lionfish (Pterois volitans). Eleu...

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions. Daintree Rainforest Observatory, Australia. December 2015

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Drought stressed plant at scientific experiment to see how rainforest plants cope under drought conditions. Daintree Rainforest Observatory, Australia. December 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. October 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. October 2015

Juergen Freund / Water redirected through gutters at the Daintree Drought Experiment, where rainforest plants are grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensl...