Notes from the field: Of mangroves and mudflats 

By AG STAFF 24 July 2025
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We wanted someone who could shoot equally well above and below water for our story on blue carbon, and photographer Alex Pike was perfect for that assignment.

“You’d never think the landscape north of Adelaide hides something as special as the Adelaide International Bird Sanctuary National Park – Winaityinaityi Pangkara,” Alex says.

“Late one afternoon, our guides from The Nature Conservancy, Kylie Moritz and Abby Goodman, promised the perfect spot to photograph mangroves partially submerged at low tide. We’d barely rolled into the gravel car park before I was racing past the corrugated fences of nearby homes (cheered on by a barking kelpie), through the scrub, to lose myself in the most fantastic mangrove forests I’ve ever seen. 

A red-necked stint
Alex’s photograph of a red-necked stint (Calidris ruficollis) within Adelaide International Bird Sanctuary National Park. Image credit: Alex Pike/Australian Geographic

“In that afternoon light I explored the clear, shallow flats and deep channels, navigating grey mangrove roots and hardy saplings defying the harsh saline environment. It wasn’t until the next morning, viewing the coastline from the air with a drone, that I grasped the scale of the coastal vegetation here – an expanse of mangroves running parallel with the coast, as far as the eye could see, while also stretching inland. 

“At low tide, the water receded for kilometres, giving way to sprawling tidal flats and revealing a banquet
for thousands of shorebirds. Crouching silently while I waited for a flock of red-necked stints to forage in my direction, I was reminded of how the rhythms of intertidal ecosystems are taken to such an extreme in this environment.”


Read our story featuring Alex’s photographs:

Related: Bringing in the sea
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