Shy Susan could be forgiven for feeling unloved. Her delicate pink flowers are easy to miss and her range is limited to the Beaconsfield area in northern Tasmania. This episode is selected from the Off Track archive.

What does a five gram microbat have in common with a four metre, dead, dense beaked whale? More than you might think.

Sure, seabirds might've been flying past, but how did tiny forest birds make it all the way to Lord Howe Island in the middle of the sea?

The fates of the black rat and the phasmid are as intertwined as the air roots of a banyan tree. The survival of one is linked to the extermination of the other, and the battle is on.

How does a fish the size of a toothbrush head, with bright red fins and big blue eyes, end up living in a puddle of water in the middle of the Australian outback? This story is about one of the rarest fish species in the world, and it's simply epic.

Spending the day pretending to be a branch on a tree is a good strategy to avoid being found in the forest. Of course, the illusion is destroyed if you also hoot incessantly.

Ann will be back in about a week with the first of a new season of Off Track episodes.

The siren call of delicious algae is too much. The tiny crab runs and stuffs slime into its gob, complete with crabby lip smacks.

Stay tuned for the return of Off Track, when the new season starts in two weeks.

This rufous whistler has a comment and he wants to say it right into the microphone. hop. hop. hop.

Stay tuned for the return of Off Track, when the new season starts in three weeks.

The sweet screams of hundreds of parrots negotiating their position on gum tree branches.

Full Off Track episodes will return in four weeks time.

This is the sound of a female emu percussion ensemble, performing a piece called 'who has just come into my paddock?'