Do you see it?
Here are a couple closer looks:
Per the Cornell Lab or Ornithology website, All About Birds, Brown Creepers search for small insects and spiders by hitching upward in a spiral around tree trunks and limbs.
If you look closely at the photo above, you will see that it has some tiny morsel of food in its bill. Yes, I trudged through deep snow without boots in order to get a closer look. It was worth it!