One or two Slime Moulds?

One or two Slime Moulds?

Observation - One or two Slime Moulds? - UK and Ireland. Description: Photos 1 & 2 show tiny brown egg-shaped structures on a moss covered tree stump. Photos 3 & 4 show

Photos 1 & 2 show tiny brown egg-shaped structures on a moss covered tree stump.
Photos 3 & 4 show tiny yellow egg-shaped structure on a grass stem.
Are they the same slime mould?