Nice image, the inclusion of the habitat makes it more interesting, the twig in the beak adds a point of interest in the image. lovely one
if you can selectively brighten the bird a tone it may take the image over the top, i love the BG
Liking very much the behavior with nesting material in the mouth, nice head turn as well, foloage and backdrop all work in nicely...wondering if maybe this could be cropped a little tighter though to bring more detail to the bird and maybe at the same time eliminate the darker patch behind the plant on the left
I love the frosty conditions you have here, but having said this I try to lessen the bluish cast you have on the subject and grasses due to those being shaded against warm and sunlit BG. I like the comp as is though.