Our Changing World for Wednesday 18 January 2017
Summer science on Our Changing World
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Booming bitterns
9:06 PM.Australasian bitterns are one of New Zealand's most cryptic and threatened wetland birds, and the males attract females with a deep foghorn boom. Read more Audio, Gallery
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An ode to mangroves
9:45 PM.Mangroves have a mixed reputation, with some people thinking of them as weeds while others, including writer Kennedy Warne, value them for their ecosystem function and as a natural breakwater. Read more Audio
