seen from the train betwen Reading & Didcot Parkway
No interactions present.
Definitely a deer but it looks like roe to me so am agreeing with that ID especially as you've said "it might be this"!
Again, the photos are large files so you could crop them down a bit.
OU Certificate in Contemporary Science
Lat/Lng: 51.5703, -1.1773
OS grid ref: SU571860