All of them are old.

Gary Larson stopped doing Farside. He’s drawing again, but it’s not Farside

My damaged brain read the antenna of the car as a camera on a selfie stick which made me really question reality for a second.

I found this through my “everything” page, so it’s not people who “came to this community to downvote”

Yes, it’s the lookout cow who detects the car. The lookout cow always acts ‘normal’.

Some cows aren’t worried about walking on two legs when humans are present, but many are.
You likely grew up in an area where the cows weren’t shy about it, so that’s why the joke doesn’t make sense to you.

This comic suggests cows walk around on two legs except when we are watching them. It’s related to how kids playing in the street will yell “CAR!” so everyone can scatter to the sidewalks.