1: "Mother and young differ in size and color in just 12 seconds."

2: "Explore the unique features of mother and young in seconds."

3: "Discover the contrasting traits between mother and young swiftly."

4: "Identifying differences in mother and young in a matter of seconds."

5: "Notice the immediate distinctions between mother and young."

6: "Spot the variations between the mother and her young in seconds."

7: "In just 12 seconds, find differences in the mother and her young."

8: "Examine the rapid discrepancies between mother and young."

9: "Learn how to quickly recognize differences in mother and young."