Marine

Orcas
Discover fascinating facts about killer whales. 
Humpback whale and calf
Evolutionary biologist Ben Garrod answers your wild question. 
Portuguese man of war
Well, it’s not a jellyfish, for starters...
Vampire bat
Aside from mosquitoes, which creatures feed on blood?
Humpback whale mother and calf.
Test your knowledge in our fun quiz based on BBC One’s Big Blue Live. 
Common seal
Discover fantastic facts about the smaller of the two UK breeding seals. 
Limpet
Animals can produce incredibly strong substances - so who makes the toughest?
Remoras and shark
BBC Wildlife contributor Stuart Blackman answers your wild question. 
Sea turtle
BBC Wildlife contributor Karen Emslie answers your wild question. 
Screenshot of sperm whale giving birth video
In the encounter of a lifetime, photographer Kurt Amsler meets a sperm whale only seconds after its birth. 
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