Koalas are both endangered and so plentiful they're causing problems. How'd that happen?

They are a poster child for imminent extinction, at risk from deforestation, climate change and bushfires. Yet, where I live in South Australia, they are so abundant they are in danger of eating themselves out of house and home.

Australia designates koalas as endangered species, Wildlife News

Koalas are both endangered and so plentiful they're…

Koalas are now 'functionally extinct,' experts say

About Koalas - Endangered Plants & Animals

55,000 beluga whales are on the move, and you can watch their migration live – Times of Research

Koalas Are Now an Endangered Species - WSJ

East-coast koalas newly listed as endangered, Stories

Koalas are declared an endangered species in parts of Australia : NPR

Beloved symbol of Australian wildlife, koalas officially become endangered species

Koalas Are Now an Endangered Species - WSJ

Koalas: An endangered species?

Leonardo DiCaprio' snake with bright orange eyes discovered in Panama jungle – Times of Research

Koalas are both endangered and so plentiful they're causing problems. How'd that happen?

Faecal transplants 'could save endangered koala', Endangered species

Are Koalas Endangered?