Small black spider on heathland

Small black spider on heathland

Observation - Small black spider on heathland. Description: This little fella was running around on some bare-ish heath near wood ants. It was a more fluid movement than the usual stop-start movement of other spiders you usually see, and the completely black colouring make me take these photos in the curiosity

This little fella was running around on some bare-ish heath near wood ants.

It was a more fluid movement than the usual stop-start movement of other spiders you usually see, and the completely black colouring make me take these photos in the curiosity that it is something different?