The jet fighters of little birds. They move so fast from branch to branch it is hared to get a good photo.
I've said before it is like trying to get a photo of popcorn in the act of popping.
Same fast movement.
The tiny Golden-crowned Kinglet is hardier than it looks, routinely wintering in areas where nighttime temperatures can fall below –40° Fahrenheit, which happens to be -40 Celsius.
It is the only point where the two different scales meet.