I believe this is a Lapinsirkku, also known as Calcarius lapponicus, on the lookout. It's very similar to the Pohjansirkku, or Schoeniclus rusticus, so it might be that as well. However, this one was captured in the fjells, which is not the typical habitat for the Pohjansirkku.

#sonyalpha #nature #mountains #fjells #hiking #landscape #lapland #birdwatching #wildlife #lapinsirkku #calcariuslapponicus #pohjansirkku #schoeniclusrusticus #birds