Red Crossbill | Loxia curvirostra Red Crossbills (Loxia curvirostra) have been fairly common up in the sub-alpine this weekend. These finches are named after their very noticeable “crossed bill” which is useful for extracting seeds from conifers. According to the Cornell Lab of Ornithology’s All About Birds the “bird’s biting muscles are stronger than the muscles used to open the …