A hippopotamus is a mammal, and therefore does not lay an egg. They give birth to live young much in the same way that humans do.
about 17 egg
no egg can lay another egg because they have not been born yet when the egg has hatched and it has grew up then they can lay an egg of there own.
If they hide there, they lay the egg there too.
lay egg
It will lay an egg eventually if you put the opposite gender /male a female might lay an egg.
5 -6 thousands!
Lovebug was created in 1940.
lay an egg. check
Lovebug!
in this case you need a ditto ditto will lay an egg with almost anyone. but a male can not lay an egg.
Lovebug - song - was created in 2007.