Animal "construction workers" rebuild natural landscapes more efficiently than humans ever could

Ecosystem engineers like beavers and tortoises help restore water cycles and tree cover to degraded habitats

Why do some islands have more species than others?

New research on island birds confirms key aspects of a 60-year-old theory

Hermit crabs are using old bottle caps and plastic as shells — and it's killing them slowly

Around 570,000 crabs become entrapped in debris each year on the Henderson and Cocos (Keeling) islands

Can Hawaii's waterfall-climbing fish survive when mountain rains change?

O'opu make extreme treks to breed that depend on stable climate conditions