One when a woman turns into a pregnant otter at zoo.

And one a babysitter unbirths the boy

Ok, so the first one is called zookeeper it's an old favorite as well. I have not seen the other one, you may need to be more specific with that one https://www.literotica.com/s/zookeeper

https://www.literotica.com/s/hired-help-2

Thanks and I found the other one too spooky but same author