I took a trip up to the Sax Zim Bog, in northern Minnesota last week. Obviously you go for the owls and everything else is a bonus. In 3 1/2 days we saw one owl, a Northern Hawk Owl, who wasn't very cooperative either. No Great Grays!!! There were so many people up there too, I'm guessing that had a lot to do with it. Still a great trip regardless, multiple Black-billed Magpies, 2 Sharp-tailed Grouse, 1 Boreal Chickadee (all 3 were lifers) and a ton of winter finches!
The morning we saw the grouse, it was -24 degrees F and we stood in the road for 1.5 hours waiting for it to do something, while it was in the tree. We were finally rewarded when it went down to the ground, but it was damn cold!!!
The Longtailed Tits have become active in my garden and I got the first shots of the year. The first is with 800mm f/8 on the R5 early in the afternoon with the sun shining on it. The second was later in the shade where I used 400mm f/4. The tiny bird was about 15m away, and these are small crops. There is some extra fine detail with the 2xTC on the lens but the bare lens is more contrasty, somewhat due to the even lighting that shows up the less fine detail.