Why do dogs bark when you walk past their yard?

Question

Why do dogs bark when you walk past their yard?

Answer 1

thats their way of communicating with you

Answer 2

cuz its their backyard and they own it. no one can mess with their yard. u might think its ur yard, but its not. they pretend u own them, but whos the one cleaning their p**p? not them.  

Answer 3

To let you know that it's their territory and u betta back up.

Answer 4

To let you know that it is their turf.

Answer 5

To let you know it's their territory and also to alert their pack that there are intruders.

Answer 6

They are defending their property. They are making sure you understand to stay out, or they might attack.  

Answer 7

they are protecting their territory and warning you to back off. regardless of your intentions (good or bad).

Answer 8

Because they are protecting their territory.  

Answer 9

'Cause you're getting too close to their territory, they're defending their pack's (their owners) space and you're getting too close.  It's nice that they warn you like that.

Answer 10

just to warn you to stay away