Etienne Littlefair / Daly waters frog (Cyclorana maculosa), adult male calling with vocal sac inflated , Elliot, Northern Territory, Australia, January.

Etienne Littlefair / Hidden-ear frog (Cyclorana cryptotis) adult male calling from a floating perch in a temporarily flooded clay-pan near Elliot after the first rains of the 2019-2020 wet season. Northern Territory, Aust...

Ashley Cooper / Staff in the old folks home kitchen cooking using biogas generated in the grounds. Muni Seva Ashram, Goraj, Vadodara, India, December 2013.