BP (British Petroleum)Deepwater Horizon oil in land-animal food chain

Researchers in Louisiana have discovered traces of oil from the Deepwater Horizon spill in the feathers of birds eaten by land animals.

A team examined the feathers and digestive tract contents of seaside sparrows - measuring signature carbon from spilled oil.

They say it "is the first demonstration that oil from the spill made it into the" food chain of land animals, according to BBC.

Rum has UK's biggest earthworms, Lancashire scientists say

A Scottish island is home to the UK's largest earthworms, according to researchers from the University of Central Lancashire in Preston.

The common species Lumbricus terrestris found on Rum are more than three times the weight and length of the average earthworm, according to BBC.

The researchers found the island worms growing to almost 15in (40cm) in length.

A lack of predators and fertile soil have helped to boost their size.

Unknown dinosaur almost blown to oblivion

A newly discovered species of dinosaur has been identified from an extraordinarily complete Chinese fossil almost destroyed by dynamite.

It was preserved raising its beaked head, with feathered wings outstretched in the mud it was mired in when it died 72 million years ago, according to BBC.

The new creature has been named Tongtianlong limosus, "muddy dragon on the road to heaven".

World's biggest known saber-toothed cat roamed the Earth 8 million years ago and was the size of a POLAR BEAR

Researchers have discovered a fossilised skull of a sabertooth cat, which they say is the biggest ever found.

The skull measures around 40 centimetres long, which translates to an enormous estimated body mass of over 892 pounds, and body length of 3.1 metres - equivalent to a male polar bear.

While the cat has the distinctive fangs, its gape was much smaller than other cats, which suggests it targeted smaller prey

The researchers, found the fossil, which is roughly 8.3 million years old, in China's Longjiagou Basin.

Mutant mice become 'super sniffers'

Its stripy back makes it one of the most recognisable of rodents - but until now it has been unclear exactly how the chipmunk earned its stripes.

Now, scientists have found the evolutionary gene change responsible for the distinctive markings of both the chipmunk and an African mouse, according to BBC.

The gene normally makes the bellies of many rodents light in colour.

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