Unknown caterpillar?

Unknown caterpillar?

Observation - Unknown caterpillar? - UK and Ireland. Description: This caterpillar is unknown to me. It had a black tuft at the rear & a enlarged head end to the body. Hairy along the whole body.

This caterpillar is unknown to me. It had a black tuft at the rear & a enlarged head end to the body. Hairy along the whole body.