Double Yolk Eggs - Part 2

This video is Part 2 of a discussion on finding twin eggs. It explains how double yolks occur due to overactive hen ovaries and provides statistics on their likelihood. The video also answers a challenge question about egg-laying mammals, identifying monotremes like the platypus and echidna. Finally, it offers practical tips for increasing the chances of finding double yolk eggs by purchasing jumbo eggs.

Which group of mammals is mentioned as laying eggs like chickens?

What is the speaker's recommendation for increasing the chances of finding double yolk eggs?