Amphibians seem particularly sensitive to environmental change, with estimated extinction rates up to 45,000 times their natural speed. Most of these extinctions are unrecorded, so we do not even ...

The absence of large herbivores after the extinction of the dinosaurs changed ... However, the research team found that the "evolutionary speed" with which new palm species with small fruits ...

Scientists have identified a virtual "speed limit" on the rate of molecular ... a level beyond which species run the strong risk of extinction as their genomes lose stability.

Humans have already wiped out hundreds of species and pushed many more to the brink of extinction through wildlife trade, pollution, habitat loss and the use of toxic substances. But the findings ...

Stories about individual species on the brink of extinction may be all too familiar. But a new tally now reveals the breadth of the conservation crisis: One million of the world’s species are ...

The slower their reproductive cycle, the higher the risk of extinction for large grazing animals such as deer and antelope that are hunted by humans. The oft-cited causes of habitat loss and ...

Amphibians seem particularly sensitive to environmental change, with estimated extinction rates up to 45,000 times their natural speed. Most of these extinctions are unrecorded, so we do not even ...

Amphibians seem particularly sensitive to environmental change, with estimated extinction rates up to 45,000 times their natural speed. Most of these extinctions are unrecorded, so we do not even ...