Video captured the moments a squirrel boarded a practice and took a seat alongside different passengers.
The footage, filmed by Kim Smith, have been taken on a c2c service between Grays and Purfleet in Essex on Monday lunchtime.
She stated: “The squirrel hopped on at Grays just as the doors closed. I often take the train but I’ve never seen anything like this before.”
The squirrel left the practice safely quickly after.
With inputs from BBC
