2011 Royal Society of New Zealand Science Book Prize

Alison Ballance is the winner of this year's Science Book Prize, for her book Kakapo - rescued from the brink of extinction. It features New Zealand's eccentric flightless nocturnal parrot.

You can listen to Alison's features about kakapo:

Bumper season for kakapo

Rimu fruit in kakapo diet

Kakapo sperm collection

Kakapo rediscovery

Science and kakapo