When nature documentaries show elephants at a waterhole, Peter Langdon goes crook at the telly. He wants them to zoom in on the bird sitting in the tree in background. [This repeat program is carefully selected from the Off Track archive for your listening pleasure]

When nature documentaries show elephants at a waterhole, Peter Langdon goes crook at the telly. He wants them to zoom in on the bird sitting in the tree in background. [This repeat program is carefully selected from the Off Track archive for your listening pleasure]

Scientists strap tiny bum-bags onto geckos in the middle of the night on an outback cattle station. They are tracking how cattle grazing impacts tiny lizards. PLUS BONUS #FieldWorkFail

Scientists strap tiny bum-bags onto geckos in the middle of the night on an outback cattle station. They are tracking how cattle grazing impacts tiny lizards. PLUS BONUS #FieldWorkFail

From a tiny sound recorder in a Victorian sheep paddock comes a startling array of sounds - some identifiable and some complete mysteries. Relax and let this earworm do its work.

From a tiny sound recorder in a Victorian sheep paddock comes a startling array of sounds - some identifiable and some complete mysteries. Relax and let this earworm do its work.

The wailing calls of the red-tailed black cockatoos that live in Australia's South East are being used to help change the future for the failing species.

The wailing calls of the red-tailed black cockatoos that live in Australia's South East are being used to help change the future for the failing species.

For International Dawn Chorus Day, here's the sounds of an Australian autumn morning, crisp and bright.

For International Dawn Chorus Day, here's the sounds of an Australian autumn morning, crisp and bright.