I'd argue a sheltie would be first...

[Sandy in CT]

and louder as well!
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[Sharon7]

Love it!

 

[Ron Atkinson]

Neat Sign !

 

[Ann]

And I’d agree 100 percent with your argument!!

 

[Chris]

Oh yeah!!!

 

[mimiretz]

And even if not first, the Sheltie would definitely be the loudest and most "into" it

 

[Piper's mom]

Agree…THAT must be why my dogs bark at nothing sometimes

 

[Calliesmom]

Agree…THAT must be why my dogs bark at nothing sometimes

that's it- Destin does that too....

 

[RikyR]

that's it- Destin does that too....

Zulu too. "WHAT are you barking at!!!"

 

[Piper's mom]

Zulu too. "WHAT are you barking at!!!"

Now we know...another tree!