In Moscow Dogs Have Figured Out How To Take the Subway On Their Own

If this was April 1st I would be thinking this is was joke. But it appears it is not

The clever canines board the [subway] each morning.
After a hard day scavenging and begging on the streets, they hop back on the train and return to the suburbs where they spend the night.
Experts studying the dogs say they even work together to make sure they get off at the right stop -- after learning to judge the length of time they need to spend on the train.
The mutts choose the quietest carriages at the front and back of the train.

Amazing. More here.

Please not icky Cat lovers that no cats have apparently piecked up this trick

Update-
At the Link to the Sun article they note there is recorded instance of one cat doing something similar in the UK