Final answer:
The raccoon was the symbol of the Whig Party, representing their resourcefulness and adaptability.
Step-by-step explanation:
The omnivorous mammal that was the symbol of the Whig Party was the raccoon. The raccoon was used as a symbol of the Whigs during the 19th century, particularly in the 1840 presidential campaign. The Whigs used the raccoon to represent their resourcefulness and ability to adapt to different political situations.