The second option, which even you will recommend to others by the time you finish reading, is to purchase a spotting scope mount, fix it firmly on your car’s window, affix the spotting scope on it and enjoy nature’s beauty by adjusting the Spotting Scope as per the desired resolution....
Excellent value for money mid-level spotting scope with a large 80mm lens and versitile 20x to 60x zoom eyepiece...
As an alternative to aviation binoculars that is worth considering is using a spotting scope and a tripod as these generally have a much higher magnification than binoculars. The down sides are that they usually have a much narrower FOV and because of their size are less portable than bins. ...