Russian
массовое вымирание Portuguese
extinção em massa Catalan
extinció en massa Spanish
extincion masiva 
Widespread and rapid decrease in the amount of life on earth.
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By definition, this means that Earth has entered a mass extinction event.
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As the Holocene mass extinction rushes on, which species will be left?
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We fret about mass extinction, but not enough to change our habits.
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People don't realise how quickly we are marching towards a possible mass extinction.
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Others fear they could be used to deny the mass extinction.
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It warns that a mass extinction of some species may be under way.
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This is the story of wildlife conservation in the age of mass extinction.
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Everywhere are signs of ecological collapse, habitat loss, adaptive behaviours and mass extinction.
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RELATED: Are we on the brink of a 6th mass extinction?
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In the age of human-induced mass extinction, frogs face great peril.
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Punctuated equilibrium undoes anagenesis, and catastrophic mass extinction derails punctuated equilibrium.
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So, even for truly big impactors, mass extinction is not inevitable.
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Some scientists think so and this could become the worst mass extinction yet.
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The mass extinction of species has taken longer to percolate.
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The sixth mass extinction in geological history has already begun, according to some scientists.
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Attenborough argues we are heading for a sixth mass extinction due to climate change.
