Cetaceans, including dolphins and whales, spend their entire lives in the water. Unlike terrestrial animals, they face greater challenges in regulating their body temperature because water conducts heat 25 times faster than air. However, these clever marine mammals have evolved an incredible adaptation—a specialized subcutaneous blubber layer that serves as an intelligent thermal coat, crucial for their survival.
Click here for original story, Adapting to water temperature changes: The smart ‘coat’ of the Yangtze finless porpoise
Source: Phys.org