Unknown Leak - Any Ideas? (Pics)

[2000LandCruiser01]

I noticed this little guy (circled in red) was leaking today. It’s on the passenger side of the engine bay, back/behind the air box (outlined in blue).

Any ideas what this is? I can’t find it in the manual or on any diagrams.

 

[dbleon]

Evap drain?

 

[KiPod]

Evap drain?

 

[2000LandCruiser01]

Thanks!