Pine Grosbeaks come south to northern states in winter [February; Sax-Zim Bog, Minnesota]
Common Redpoll male [February; 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]
![Pine Grosbeaks come south to northern states in winter [February; Sax-Zim Bog, Minnesota]](https://photos.smugmug.com/photos/i-dPkHHgc/0/L/i-dPkHHgc-L.jpg)
![Common Redpoll male [February; Sax-Zim Bog, Minnesota]](https://photos.smugmug.com/photos/i-ZxSZ78D/0/L/i-ZxSZ78D-L.jpg)
![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-srPZkcx/0/L/i-srPZkcx-L.jpg)