When I learned about how many breathers that are on our rides, I went in search of them.
Think there are 5. I would have to get under there myself to remember exactly what I did. I do believe there is 2 up in there. The one you lost was for the transfer case, the other one is mounted on a larger 6" hose for the trans it is held on with that ring mount on the bell housing.
Personally, I added longer hoses and brought mine to the top of the motor.
Edit... good that you went through the trouble to make this video, so others are aware of these breathers that are at a height to create damage to our drive trains.
I decided to add a little more so others are aware that there are a 2nd line to be aware of.