Common eiders are large sea ducks that can be found in the northern hemisphere.

Common marmosets are small primates native to South America.

Common men work hard to support their families.

They all contributed money to the common purse.

Common loons are known for their haunting calls.

I saw a pod of common dolphins swimming in the ocean.

The common dolphin is known for its playful behavior.

The forest was filled with common ashes.

Common quails are small migratory birds.

The common differences between the two groups are significant.