It's National Marine Week until the 15th of August and we'll be bringing you loads of aquatic action.
Get into the seaside spirit with archive video from above and below the waves.
Think you know your butterflies?
See if you can pick out this green veined white in our colour scheme quiz.
Nature UK researchers count urban butterflies in Bristol.
Butterfly expert Ray Barnett tells us how they fared through the big freeze.
Stephen Moss's guide to the butterflies and moths of high summer.
The best of your photos from the Flickr group.
Marbled White by Andrew Steele
Marine Bill update
The latest on the UK's marine bill.
Where to see marine wildlife
Get closer to whales, sharks and seabirds in the UK.
Urban fossils
Find prehistoric life in everyday places with our guide.
To get you in the mood for some briny brilliance here are a few video clips from the BBC archive.
Ella Davies, July 2010
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Watch these opportunists in action.
Crabs, shrimps and alliesVideo clips of these pincered crustaceans.
Basking sharkMore about these gentle giants of the deep.
The Pensthorpe Sparrowhawk
The Pensthorpe Reed Warbler
The Pensthorpe Spotted Flycatcher
The Wensum Kingfishers
The Abbotsbury Swans
The Kingcombe Roe Deer
The Pensthorpe Little Ringed Plovers
The Pensthorpe Greenfinches
The Pensthorpe Blackcaps
The Pensthorpe Kestrel
The Purbeck Red Foxes
The Pensthorpe Avocets
The Pensthorpe Blackbirds
The Pensthorpe Blue Tits
The Pensthorpe Swallows
The Pensthorpe Wrens
The Pensthorpe Willow Warblers
Saving SpeciesEpisode 17: British seabirds
Hands on NatureNew Forest.
Wild WalesThe Rugged North
Expert focus on fish and climate changeHow are increasing temperatures affecting fish habitats?
If you've filmed any amazing animal behaviour or unusual wild visitors to your garden, we'd love to see it.
Community WildlifeGet lottery funding for a community wildlife project.
Bee Part Of ItJoin a hive of bee-related activities this summer.
Go Ladybird SpottingReal science that anyone can take part in.
Do One ThingLots of things to do to make a big difference for nature.
DownloadsPocket guides, MP3s, kids' activity sheets and much more.
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