Elephants are in danger of dying out.

Extinction is a part of evolution.

How many languages are in danger of dying?

we were watching before extinction

Do you condemn your people to extinction?

Now, extinction is a different kind of death.

The ranges of stuff the red line is the mass extinction.

An asteroid five miles wide causes major extinctions.

A large fraction of species will be committed to extinction.

The last mass extinction occurred some 66 million years ago, when a meteorite collision probably triggered the extinction of the non avian dinosaurs and other large reptiles, but spared small animals such as mammals.

Is Europe's right doomed to extinction or extremism?

Global climatic changes may have been responsible for the extinction of the dinosaurs.

Pessimists think that we're heading towards a new Stone Age, or extinction.

Jenis hiu dan pari bertahan dari malapetaka kepunahan massal yang membinasakan Tyrannosaurus Rex dan seluruh dinosaurus lainnya, termasuk kepunahan Permian Triassic yang memusnahkan 96 spesies laut.

Such a limited distribution across the island could well have contributed to its extinction.

If any other organism did this a biologist would call it a virus.

Extinction of the insular dwarf elephants has not been correlated with the arrival in the islands of man.

In 1981, Dian Fossey was sure they were going extinct.

Extinction can come slowly, but sometimes it arrives fast.

We have now entered in the 6X, the sixth major extinction on this planet.

We humans have already precipitated extinctions of species on a scale unprecedented since the end of the Cretaceous period.

It's predicted they may go extinct about a third of them within about 30 years.

Bird extinctions are our best window onto humanity s massive and irreversible environmental impact.

In essence the DA therefore suggests that human extinction is more likely to occur sooner rather than later.

About 365 Ma, another period of extinction occurred, perhaps as a result of global cooling.

They survived the Permian Triassic extinction event, and eventually died out during the Late Jurassic, around 145 million years ago.

For example, in the winter of 2007 and 2008, there was this incredible die off of gharial, in the Chambal River.

For the 10,000 bird species, there should only be one extinction in each century.

Therefore, it is argued that human extinction is unlikely within the next ten millennia.

Mary River turtles are also listed in the world's top 25 most endangered turtle species.

That indeed, a mass extinction was underway in our fields, in our agricultural system.

If a species overshoots the carrying capacity of that area, it will die back until the population returns to its natural limits.

The Permian Triassic extinction occurred 250 million years ago, and is believed to be the largest extinction event since the origin of complex multicellular life.

This equates to 97.5 confidence that extinction occurs before the upper boundary of his confidence interval.

We can control those things that we're worried about extinction, sampling, dispersal going from one area to another.

And the final letter is O, for over harvesting driving species into extinction by excessive hunting and fishing.

The Triassic Jurassic extinction event at 200 Ma spared many of the dinosaurs, and they soon became dominant among the vertebrates.

Federal policies mandate the establishment of critical habitats and or wildlife refuges for the protection of endangered species.

And that this mass extinction was taking place with very few people noticing and even fewer caring.

It's strange extinction as a concept wasn't even thought about until Baron Cuvier in France found this first mastodon.

And colony collapse disorder is not the only thing affecting honeybees. Honeybees are dying, and it's a huge, huge grand challenge of our time.

Like the extinctions of other New Zealand birds such as the piopio in the 19th century, the decline of the huia was poorly studied.

The new view of mass extinctions is, yes, we were hit, and, yes, we have to think about the long term, because we will get hit again.

And looking back historically at the timeline of honeybee health, we can go back to the year 950 and see that there was also a great mortality of bees in Ireland.

This event happened in less than 10,000 years and occurred just before Pangaea started to break apart.