Black-capped Chickadees must eat non-stop during cold winter days in order to maintain their 104 degree internal temperature [January; Admiral Rd, Sax-Zim Bog, Minnesota]
Boreal Chickadee [March; Sax-Zim Bog, Minnesota]
![Black-capped Chickadees must eat non-stop during cold winter days in order to maintain their 104 degree internal temperature [January; Admiral Rd, Sax-Zim Bog, Minnesota]](https://photos.smugmug.com/photos/i-WH63pXh/0/L/i-WH63pXh-L.jpg)
![Boreal Chickadee [March; Sax-Zim Bog, Minnesota]](https://photos.smugmug.com/photos/i-2xJQFK9/0/L/i-2xJQFK9-L.jpg)
![Boreal Chickadee [March; Sax-Zim Bog, Minnesota]](https://photos.smugmug.com/photos/i-vBDNzPg/0/L/i-vBDNzPg-L.jpg)