grebe but what species

grebe but what species

Observation - grebe but what species - UK and Ireland. Description: It's a long way off and at first I assumed little grebe but that doesn't seem quite right. The other

It's a long way off and at first I assumed little grebe but that doesn't seem quite right. The other grebe here should be black necked but again I'm not 100% on that, the forehead slope seems steep. Would appreciate the thoughts of others on this please.