There were a few of these tiny spiders (I presume the same species) in an open rocky area...repeatedly pausing and then jumping (by as much as a foot!). Considering the distance they jumped through...I was surprised they didn't tumble forward a bit when they landed. But they would just land and instantly "stick". Quite entertaining to watch :-)

I tried to get a photo of their faces, but they kept turning away before I could. Guess they have to jump in the direction they're facing...and it didn't want to jump towards me!

In Spanish, the verb "saltar" means "to jump"...so it's easy for me to remember the family name Salticidae :-)