Why did the passenger pigeon die out?

Why do species die out? This is the overarching question being asked by many leading researchers. Knowing more about what leads to a species becoming extinct could enable researchers to do something about it. The passenger ...

All gone: How erasing billions of birds shocked us

It was the moment that humanity learned we had the awesome power to erase an entire species off the face of the Earth in the scientific equivalent of a blink of an eye: The passenger pigeon went from billions of birds to ...

Extinct species revival raises hopes, fears

The world's last passenger pigeons perished a century ago. But a Santa Cruz, Calif.-based research project could send them flocking into the skies again, using genetic engineering to restore the once-abundant species and ...

The ethics of resurrecting extinct species

(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

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