Rolf Nussbaumer / Northern Cardinal (Cardinalis cardinalis) male perched on branch of Crape Myrtle (Lagerstroemia) New Braunfels, San Antonio, Hill Country, Central Texas, USA

LYNN M. STONE / Female Northern Cardinal (Cardinalis cardinalis) perched on branch in snow storm, Illinois, USA

Jack Dykinga / Scarlet monkey flowers {Mimulus cardinalis} and White firs {Abies concolor} at base of steep canyon walls, Fork North Creek, Zion National Park, Utah, USA

Jack Dykinga / Flowering Lobelia (Lobelia cardinalis) beside a pool with submerged Yellow pond lily (Nuphar polysepala) and Cypress (Taxodium sp) in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Rolf Nussbaumer / Northern Cardinal {Cardinalis cardinalis} male drinking from pond, Hill Country, Texas, USA

Rolf Nussbaumer / Northern Cardinal {Cardinalis cardinalis} female in flight, Hill Country, Texas, USA

TOM MANGELSEN / Northern cardinal fluffed up in tree. (Cardinalis cardinalis) Montana

Rolf Nussbaumer / Northern cardinal male bathing {Cardinalis cardinalis} Texas, USA

Rolf Nussbaumer / Northern cardinal, juvenile male {Cardinalis cardinalis} Texas, USA

David Tipling / Cardinal lory (Chalcopsitta cardinalis) in flight. Savo Island, Solomon Islands.

Magnus Lundgren / Wild Wonders of China / Free swimming juvenile spanish dancer (Hexabranchus sanguineus) in the night, Kenting National Park, Hengchun Peninsula, Taiwan

Magnus Lundgren / Wild Wonders of China / Free swimming juvenile spanish dancer (Hexabranchus sanguineus) in the night, Kenting National Park, Hengchun Peninsula, Taiwan