Quote by Anthony D. Barnosky

“Over the past 400 years, the extinction rate for mammals appears to be between 17 percent and 377 percent faster than normal. Now, add…

— Anthony D. Barnosky

Ninety-nine percent of all species that ever lived are now extinct.

— E. O. Wilson

“background extinction.” In ordinary times—times here understood to mean whole geologic epochs—extinction takes place only very rarely, more rarely even than speciation, and it…

— Elizabeth Kolbert

“Ten thousand years ago, humans plus their pets and livestock accounted for about 0.1% of the terrestrial vertebrate biomass inhabiting the earth; we now…

— Daniel J. Levitin

When the first humans reached Australia about 45,000 years ago, they quickly drove to extinction 90% of its large animals. This was the first…

— Yuval Noah Harari

We, Homo sapiens, destroyed the majority of the large mammalian species in North America and Australasia just over 10,000 years ago. We, Homo sapiens,…

— Michael Smith

“Today, amphibians enjoy the dubious distinction of being the world’s most endangered class of animals; it’s been calculated that the group’s extinction rate could…

— Elizabeth Kolbert

Australia has one of the worst mammalian extinction rates in the world.

— Steve Irwin

“The human will be the only mammal in history to fully understand that its own self inflicted extinction is well underway.”

— Steven Magee

The extinction rate is so huge now, we're to the stage where we've got to set up recombinant ecologies. There are no longer enough…

— Bill Mollison

“Over 99 percent of all species that ever lived are now extinct.”

— Neil Shubin