The latest stories from the News section of the BBC Nature web site.
VIDEO: Bay dolphins 'sent north' by noise
Speedboats and water bikes using Cardigan Bay may be driving its famous dolphins over 100 miles north to quieter waters, experts have warned.
Snail genes reveal human migration
A genetic similarity between snail fossils found in Ireland and the Eastern Pyrenees suggests humans migrated from southern Europe to Ireland 8,000 years ago.
Blue jellyfish found in rock pool
A jellyfish usually native to the colder waters off Scotland is discovered stranded in a rock pool near Newquay.
Birds 'show value of conservation'
The plights of the world's threatened birds show the value of investing in conservation, according to an international report.
Rare moth a first for Scotland
A moth not previously recorded in Scotland is spotted in the Highlands after conservationists missed their ferry.
Shark 'nursery' found on coral reef
Edinburgh marine biologists discover a deep-sea shark spawning ground on Scotland's only inshore coral reef.
Older beetles 'make better dads'
Older male burying beetles work harder at parental care and mating than younger counterparts, a study suggests.
'Hoff' crab's oceanic 'road trip'
A hairy crab named after US actor David Hasselhoff hitched a ride on an ocean "super-highway" to colonise deep sea vents in the Atlantic.
VIDEO: Seven-spot ladybirds in decline
The most common species of the ladybird in Britain is in decline, according to research from the Centre for Ecology and Hydrology.
Cuckoos clocked using satellite tags
Four cuckoos caught at sites in Lochalsh and Skye are fitted with satellite tags in an effort to track their migrations to Africa.
Deep-diving mammals' secret revealed
Study solves the mystery of one of the most extreme adaptations in the animal kingdom: how marine mammals store enough oxygen to hold their breath for up to an hour.
Police inquiry over eagle nest claim
Police are investigating allegations that a white-tailed eagle nest was destroyed on an estate in Angus, the BBC learns.