Roger Powell / Spur-winged geese (Plectropterus gambensis) pair with creche of goslings, near Robertston, Cape Province, South Africa. November.

Roger Powell / Cape francolin (Pternistis capensis) female, standing guard on track, surrounded by chicks, West Coast National Park, Langebaan, Cape Province, South Africa. November.

Roger Powell / Cape francolin (Pternistis capensis) walking on grass with chick, Kirtsenbosch Botanical Garden, Cape Town, South Africa. November.

Axel Gebauer / Closeup of Temminck's tragopan (Tragopan temminckii) male shaking head and deflating wattle, Naturschutz-Tierpark Gorlitz, Germany. Captive.

Axel Gebauer / Temminck's tragopan (Tragopan temminckii) male inflating wattle and performing courtship display before deflating skin flaps , Naturschutz-Tierpark Gorlitz, Germany. Captive.

Axel Gebauer / Temminck's tragopan (Tragopan temminckii) male looking around behind foliage before bowing down and leaving frame, Naturschutz-Tierpark Gorlitz, Germany. Captive.

Axel Gebauer / Temminck's tragopan (Tragopan temminckii) female looking around, Naturschutz-Tierpark G?rlitz, Germany. Captive.

Axel Gebauer / Closeup of Satyr tragopan (Tragopan satyra) male looking around, Germany. Captive.

Joel Sartore / Photo Ark / Sockeye salmon (Oncorhynchus nerka) sub-adult, portrait, Eagle Fish Hatchery, Idaho, USA. Captive.

Axel Gebauer / Chestnut-crowned laughingthrush (Trochalopteron erythrocephalum) feeding on berries in tree before climbing down stick and leaving frame, Barsey Rhododendron Sanctuary, Sikkim, India, December.

Axel Gebauer / Temminck's tragopan (Tragopan temminckii) male performing courtship display, Naturschutz-Tierpark Gorlitz, Germany. Captive.

Axel Gebauer / Black-necked crane (Grus nigricollis) adults and juvenile feeding in field beside farm, Phobjikha, Bhutan, March.