Navy sonar resembles the noises used by orcas when they are tracking...
July 2009
INSIDE THIS EXCITING ISSUE:
Wild dogs vs Lions
The secret struggle for supremacy on Africa's plains
Osprey Odysseys
Cutting-edge research allows us to track the perilous journeys of Scottish ospreys.
Wild China
Extraordinary photos of remarkable wildlife from a vast but secretive country.
Immortal alien
Why horseshoe crabs outlived the dinosaurs but may not survive mankind.
Budget binoculars on test
The best binoculars for under £200.
Explore East Anglia
The best bits of the Suffolk and Essex coast to explore on foot and by boat.
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