koala resting in eucalyptus tree surrounded by green leaves under sunlight. concept of wildlife, nature, tranquility

koala eucalyptus wildlife nature tranquillity marsupials animal fauna australian tree leaves forest wilderness flora environment habitat jungle outdoors greenery peaceful serene creature mammal marsupial bush bushland branch sunlight daylight ecology natural wild australia species leaf arboreal herbivore resting calm concept design baby joey adorable cute bear ai generated