Butterflies of this species are now extinct.

Butterflies of this species are now extinct.

The dodo is an already extinct species.

Once a species goes extinct, it's gone forever.

Successions of new species emerged, evolved and became extinct.

More precisely, at least three species now become extinct every day, perhaps fifty species.

One of the species, C. kressii is currently believed to be extinct.

Pucadelphys andinus is an extinct marsupial species belonging to the family Didelphidae.

The danger is not at all unprecedented. Species go extinct all the time.

Wahlenbergia species have dispersed widely, even to oceanic islands, and there are four species known from the island of Saint Helena, including the now extinct species W. roxburghii .

There have actually been 22 species of hominids that have been around, have evolved, have wandered in different places, have gone extinct.

Following the last sighting of the Lord Howe Island stick insect on Lord Howe Island in 1920, the species was presumed extinct.

Dinosaurs are now extinct.

So Torosaurus is extinct.

As new competitors and predators arrive, even the most abundant Arctic species in the northern Barents Sea, the local Polar cod, could become extinct.

Approximately twenty species are in this order which is sub divided into three families Sphaerocarpaceae and Riellaceae, as well as the extinct family Naiaditaceae.

D. chilensis may be extinct.

From left to right, we've got Homo erectus, Homo habilis, and Australopithecus now called Paranthropus boisei, the robust australopithecine. Three extinct species, same place, same time.

The Muisca language is officially extinct.

In The Descent of Man, he wrote, In each great region of the world, the living mammals are closely related to the extinct species of the same region.

We have no significant predators, we're the masters of our physical environment the things that normally cause species to become extinct are no longer any threat to us.

It is not common in collections, nor has it been found in the wild for several years, leading some to conclude that the species may have become extinct.

And, of course, they're basically extinct now.

Herpetotheriidae is an extinct family of metatherians.

Dinosaur eggs? Impossible. These animals are already extinct.

Dinosaurs became extinct a very long time ago.

One of them always drives the other extinct.

The volcano was considered recently extinct by 1982.

At present, we are thought to be losing one of the 5 to 10 million species that exist every day, and if things were to continue at this rate, the figures show that 130 species would become extinct each day in the year 2000.

What would happen if the human race goes extinct?

The black rhino they were almost extinct in 1982.

Well, it's not so surprising that they've gone extinct.

But in fact that's not why they went extinct.

The largest genera are Shorea (196 species), Hopea (104 species), Dipterocarpus (70 species), and Vatica (65 species).

It was but one shout, and lo! they were extinct.

It was but one Shout, and lo! they were extinct.

It was only a single blast which made them extinct.

I am almost extinct I'm a paleontologist who collects fossils.

Quesnelia morreniana (Baker) Mez probably extinct Quesnelia quesneliana (Brongniart) L.B.

And then he died, and there was no more Spinoza. Extinct.

Many animals that lived thousands of years ago are now extinct.

We nearly went extinct. We were hanging on by our fingernails.

Park officials count more than 200 species of birds, 66 species of mammals, 50 species of fish, 39 species of reptiles, and 43 species of amphibians, including many lungless salamanders.

And to think that in 30, 40 years they could become extinct.

So the non avian dinosaurs are the big clunky ones that went extinct.