What Things in nature that start with the letter o?

Some examples of things in nature that start with the letter "o" include otters, oak trees, orchids, and oceans. Otters are semiaquatic mammals known for their playful behavior, oak trees are large deciduous trees found in many parts of the world, orchids are a diverse family of flowering plants known for their intricate blooms, and oceans are vast bodies of saltwater covering a significant portion of the Earth's surface.