Oh that's almost as cool as seeing a meteor. Not sure which are rarer even. No bald eagles here so I should be safe but it's a good point that you may want to investigate the local wildlife before staring on a project like this.
Bald eagles are everywhere in Maine now. Near a tidal estuary near us we counted 25 sitting in trees watching the smelt run.
Sacrifice a bit of your horizon to make a perch higher than your dome.