This is Darwin’s frog spitting out babies.
Basically, the frog grows its tadpoles in its stomach, because if not protected the babies can be eaten by fish, bugs, etc. So watch the video and enjoy.
This was from National Geographic.
P.S. I don’t know why the video won’t just appear. So on this post you will have to visit the site.
P.P. S. Sadly, this frog may be extinct, due to fungal disease that is killing amphibians.