Rocky headland limpet predation: more data adding clarity.

July 12, 2009

LONG REEF is the best place on Sydney’s Northern Beaches for a migratory shorebird encounter. It’s a brilliantly fascinating and vibrant intertidal, ecological hotspot: a real nature lover magnet! So it’s not unusual to find me stalking about the reef with scope and bins and magnifying glass, as I was yesterday, during a brief break [...]

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Two limpets, two birds, one biosphere

February 8, 2009

To quote the great Edward O Wilson, biologist, entomologist, theorist, naturalist and author: “The totality of life, known as the biosphere to scientists . . . is a membrane of organisms wrapped around the Earth so thin it cannot be seen edgewise from a space shuttle, yet so internally complex that most species composing it [...]

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Ruddy Turnstone limpet predation study

January 31, 2009

It was during one of my first visits to Long Reef that I noted considerable numbers of limpets of the Siphonaria genus which had been turned over and left to die in the sun. I immediately concluded that Ruddy Turnstones, which make limpets a staple part of their diet and also possessing a proclivity for [...]

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Efficiency wins the day!

January 20, 2009

WHEN YOU GRAB a pair of bins and maybe a scope and head out the door, you’re generally unlikely to be disappointed and today was no exception. I’ve been experiencing a number of difficulties counting the waders on Long Reef this summer, as the birds are behaving differently to previous years and conditions have often [...]

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