Marine

Seen from below, the white bellies of lemon sharks help them to disappear in bri
Lemon sharks have personalities, make friends, use body language and learn tricks. They’re forcing us to rethink how we see big sharks, says Helen Scales.
Sea turtle
BBC Wildlife contributor Karen Emslie answers your wild question. 
Epaulette shark
Science writer Stuart Blackman discusses the unique swallowing techniques of sharks.
Box jellyfish among tree snorkels
Ecologist Christian Dunn discusses the snorkel-like roots of the mangrove tree.
Short-spined anglerfish
Marine biologist Helen Scales explains the science behind bioluminescent fish.
Brown sea urchin
Science writer Stuart Blackman discusses the composition of sea urchins' spines.
Waves on Khalaktyrsky Beach on the Avachinsky Bay coast
The UK has around 17,800 km (11,000 miles) of coastline. That's about the length of 420 marathon races. With World Oceans Day taking place on 8th June, what can you do to get ocean-friendly?
Look out for bottlenose dolphins
Ferry travel can be an easy and convenient way to get to your holiday destination - offering ample leisure time during the journey and the chance to hopefully spot some wonderful wildlife! 
Hammerhead shark
Science writer Liz Kalaugher analyses the unmistakable hammerhead shark.
A yellow seahorse (Hippocampus kuda)
Marine biologist and photographer Matt Doggett answers your wild question.
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