18. Koala
Koalas, iconic inhabitants of Australia, are severely impacted by bushfires and habitat destruction, which devastate their eucalyptus forest homes. These threats lead to population declines and fragmented habitats, making survival increasingly difficult. Koalas play a role in their ecosystems by aiding in the cycling of nutrients and maintaining tree health through their feeding habits. Protecting koalas is crucial for preserving the ecological balance of Australian forests and the diverse species that depend on these environments.