But perhaps she senses a squirrel on the roof or a neighbor's dog going for a walk. Frodo will bark when the neighbors dog is let out ( they are fence rivals) or if his buddy ( an old beagle) is going for a walk even though he may be lying far back from the door. Now that spring is here he will run to the door barking and whine to be let out if there's squirrels in the yard. He actually gets aroused instantly just on sensing them.
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