I believe it is actually an aquarium hose and fitting cleaner than was placed on the back porch when the aquarium broke (it's a long story). Ebon has seen it before, but it was blown to its new location by all of the storms we've had recently. Interestingly, it's the only thing that has been blown around that he's reacted to.
|Ebon and Albus in mirror poses|
Of the three non-human mammals in the house, Ebon's fearfulness is in the middle. Albus is scared of almost nothing and Ginny is scared of practically everything. Here's some common doggy fears that Ebon has never been afraid of: gunfire, fireworks, thunderstorms, vacuums, other dogs, and strange people.
Why did I have to have the odd one? ...Just kidding!