Hard to kill: here's why eucalypts are survival experts

They can recover from fire. Grow back from a bare stump. Shrug aside bark loss that would kill a lesser tree. Endure drought and floods.

Eucalypts are not interested in dying. They're survivors. The world's 800-plus species are almost all found in Australia, a continent with old, degraded soils and frequent fires and droughts.

In the fossil record, they first appear about 34 million years ago. As the Aust