Mark Hamblin / 2020VISION / Mountain hare (Lepus timidus) in winter coat coming to a stop after running, Scotland, UK, February

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, male in flight feeding on Spiral Ginger (Costus Pulverulentus), Central Valley, Costa Rica, Central America, December 2006

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, female in flight on flower of the ginger family(Zingiberaceae), Central Valley, Costa Rica, Central America, December 2006

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, male in flight on flower of the ginger family(Zingiberaceae), Central Valley, Costa Rica, Central America, December 2006

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, male in flight on Heliconia flower, Central Valley, Costa Rica, Central America, December 2006

Rolf Nussbaumer / Chipping Sparrow, Spizella passerina, adult in flight winter plumage, New Braunfels, Hill Country, Texas, USA, November 2005

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, male in flight on flower of the ginger family(Zingiberaceae), Central Valley, Costa Rica, Central America, December 2006

Rolf Nussbaumer / Coppery-headed Emerald, Elvira cupreiceps, male in flight feeding on Shrimp plant(Acanthaceae), Central Valley, Costa Rica, Central America, December 2006