* Ocean as their home: The ocean is their natural habitat, providing everything they need to survive – food, water, and protection from predators.
* No need for a physical shelter: Dolphins are warm-blooded mammals and can regulate their own body temperature. They don't need physical structures like houses for warmth or protection from the elements.
* Social groups for safety: Dolphins live in pods, which are social groups that offer safety in numbers. They work together to defend against predators and care for their young.
* Deep water for refuge: When threatened, dolphins can dive deep into the ocean, where predators often can't follow.
So, while dolphins don't build shelters in the traditional sense, the ocean itself, their pods, and their ability to dive deep provide them with the security they need.