Grebe???

This was sighted in Southern France and is really puzzling me. It looks very much like a Clark's grebe or a Western grebe, but both are only found in the US and it really couldn't possibly be that species! Help much appreciated

Apologies for the really poor quality of the image, this was in the corner of a picture of a flock of flamingos and I just noticed it.

EDIT: Could it be a juvenile Great Crested grebe?

Looks like winter phase of great crested grebe to me. I understand the confusion though!

@Mo Hassan It was in summer though...

Could be a juvenile?

Whatever it is, it's a lifer because I've never seen a bird anything like it

EDIT: I have another photo of it and it looks as if, from that angle, the neck is entirely white...

Far more likely to be a young great crested grebe than anything else. The other species you mention have yellowish bills and are not found in the eastern states of the USA. I have seen a vagrant pied-billed grebe in the UK, but that is found along the eastern seaboard.

Hard to tell from the picture but if it's not a juvenile then I don't know what it could be.
In my opinion it's a Great crested grebe juvenile, at the stage of its life where it lost its juvenile head marks probably.

Aechmophorus occidentalis Western Grebe I think it as the dark cap with the dark and white neck and a straight beak

@AdrianW1963 Since it was taken in southern France it is probably a juvenile as gentle lemur said.

I agree with @gentle lemur and @Rayane - nothing in the photo or the location/context suggests any reason for it not to be a Great Crested Grebe juvenile.

Yes, it's a juvenile Great Crested Grebe as others have said.

Indeed looks like Western/Clark's in the photo, as one who has seen both many times. But neither has ever been recorded across the Atlantic to my knowledge, and young Great Crested looks similar.