Metal pollution triggered world's largest extinction events

Metal poisoning caused the malformation observed in fossil remains of marine plankton from the late Silurian (415 million years ago) and may have contributed to their extinction and that of many other species, new research suggests.

Sex signals fast disappearing in animals: Study

Mating signals in animal, passed down from generation to generation, were thought to be beneficial for healthy reproduction. However, these signals are fast disappearing in offspring, suggests a new study.

New species of toad found in Brazil

 Brazilian researchers have found a new species of toad that is a little more than 1 cm long and appears to be in danger of extinction.

Humans drove gigantic ancient mammals to extinction
Humans drove gigantic ancient mammals to extinction

Early humans, not climate change, were the dominant cause of the extinction of a variety of species of giant beasts.

'Endangered' seahorses could be extinct in next three decades
'Endangered' seahorses could be extinct in next three decades

 Seahorses, which have existed for 13 million years, could be the creatures of the past in three decades unless a drastic action is taken.

Mighty mammoths went extinct due to warming Earth
Mighty mammoths went extinct due to warming Earth

 The mighty megafauna of the last Ice Age, including the woolly mammoths, largely became extinct because of rapid climate-warming events, a study says.

Humans will go extinct if plant life not secured: Study
Humans will go extinct if plant life not secured: Study

The continued destruction of the plant life on Earth has put humans in jeopardy, a study says.

Bihar CM orders conservation of state bird sparrow
Bihar CM orders conservation of state bird sparrow

Bihar Chief Nitish Kumar Friday expressed concern over extinction of state bird House Sparrow, and ordered the forest department to launch a special campaign to conserve the bird.

Cars threaten world`s most endangered feline
Cars threaten world`s most endangered feline

The world`s most endangered feline species, the Iberian lynx, is making a comeback in Spain after being pushed to the brink of extinction. But the costly efforts to reintroduce the spotted cat into the wild face an unexpected enemy -- cars.

US wildlife managers declare eastern cougar extinct
US wildlife managers declare eastern cougar extinct

Eastern cougars that once roamed North America from parts of Canada to South Carolina are extinct and no longer warrant federal Endangered Species Act protections, US wildlife managers said on Tuesday.

Iconic Indian fish on verge of extinction: Study
Iconic Indian fish on verge of extinction: Study

A new study has claimed that the 'Humpback Mahseer', a freshwater fish found only in India's Cauvery Basin is on the 'brink of extinction'.

World at risk of 'empty landscape' as large herbivores face extinction
World at risk of 'empty landscape' as large herbivores face extinction

As per a new study, populations of some of the world's large herbivores are dwindling, raising the threat of an "empty landscape."

Woolly mammoth's DNA reveals poignant story of extinction

Scientists have sequenced and analyzed the complete high-quality genomes of two woolly mammoths, which revealed poignant story of their extinction.

African elephants could be extinct in the wild within a few decades, warn experts
African elephants could be extinct in the wild within a few decades, warn experts

African elephants could be extinct in the wild within a few decades, experts warned on Monday at a major conservation summit in Botswana that highlighted an alarming decline in numbers due to poaching for ivory.

Did volcanic eruption trigger extinction of Neanderthals?

The decline of the Neanderthals started well before the Campanian Ignimbrite (CI) eruption in Italy 40,000 years ago, long thought to be a cause of their extinction, a new research has found.

Scientists discover rapid change in New Zealand penguin species
Scientists discover rapid change in New Zealand penguin species

An international study has documented one of the most rapid biological transitions ever with the extinction of a unique New Zealand penguin and its replacement by another breed.

Scientists hold emergency meeting to save endangered rhinos
Scientists hold emergency meeting to save endangered rhinos

Conservationists and scientists have held talks in Kenya this week to come up with a last ditch plan to save the northern white rhinoceros from extinction.

Eight bird species nearing extinction: Study

A recent study has revealed that eight bird species are on the verge of extinction in the Malwa region.

Giant lemurs went extinct due to size, low numbers

Using DNA extracted from the remains of extinct giant lemurs, researchers may have discovered why Madagascar's largest lemurs disappeared.

Giant shark 'Megalodon' went extinct around 2.6 mn years ago, say researchers
Giant shark 'Megalodon' went extinct around 2.6 mn years ago, say researchers

The largest shark ever on the face of earth 'Megalodon' became extinct approx 2.6 million years ago, reveal researchers.