Xenoblastic refers to metamorphic mineral with poorly formed crystal faces (equivalent to anhedral). Foliation is a general term for pervasive planar structures. Typically the result of fine-scale compositional layering and alignment of minerals.
1 Snowy owls live farther north than any other kind of owl in North America! 2  Fine Feathers! 3  A dense coat of feathers keeps a snowy owl warm during frigid winters. 4  Even the owlâs toes and claws are thickly feathered! 5  Early Risers. 6  Most owls sleep during the day and are active at night.
Unlike most owls, which are nocturnal, snowy owls are diurnalâthey hunt and are active both day and night. Size relative to a 6-ft (2-m) man: The ghostlike snowy owl has unmistakable white plumage that echoes its Arctic origins. These large owls breed on the Arctic tundra, where females lay a clutch of 3 to 11 eggs.Clutch size depends upon the availability of food, and in particularly lean times a usually monogamous pair of owls may not breed at all.he ghostlike snowy owl has unmistakable white plumage that echoes its Arctic origins. These large owls breed on the Arctic tundra, where females lay a clutch of 3 to 11 eggs. Clutch size depends upon the availability of food, and in particularly lean times a usually monogamous pair of owls may not breed at all.