From carrying eggs in their mouths to building hidden nests, these animal dads do it all. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Males greater rheas take care of their babies from the moment the female lays her eggs. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

There's more than one way to pass down those genes. These rodents live to serve their queen, who can have over 30 babies at one time. Breakthroughs, discoveries, and DIY tips sent six days a week. Valentine's Day means that love and coupling up is in the air. While our idea of romance may be lacking when it's time to reproduce, some species make up for it with fascinating strategies to pass their genes on to the next generation and ensure survival.