Yva Momatiuk & John Eastcott / Sapling amid coniferous trees burned by forest fire, Yellowstone National Park, Wyoming

Scott Leslie / Boardwalk in old-growth forest, Kejimkujik National Park, Nova Scotia, Canada

Edwin Giesbers / Adelie Penguin {Pygoscelis adeliae} chick beginning to moult, Antarctica

Ingo Arndt / Blue Morpho (Morpho peleides) caterpillar hatching out of egg, Costa Rica

Ingo Arndt / Blue Morpho (Morpho peleides) caterpillar hatching out of egg, Costa Rica

Anup Shah / Leopard beginning to stalk prey (Panthera pardus) Masai Mara NR, Kenya

Patricio Robles Gil / Olive Ridley Sea Turtle (Lepidochelys olivacea) hatchling being released, Pacific Ocean, Oaxaca, Mexico

Igor Shpilenok / Nerussa river beginning to freeze, Bryansky Les Zapovednik, Russia.

Hans Christoph Kappel / Map Butterfly (Araschnia levana) eggs on leaf with larvae beginning to hatch. Life cycle sequence

Thomas Mangelsen / Blue Wildebeest (Connochaetes taurinus) and newborn, Kenya

Konrad Wothe / White-tailed Deer (Odocoileus virginianus) fawn amid ferns, North America

Konrad Wothe / White-tailed Deer (Odocoileus virginianus) fawn standing in ferns, North America