LYNN M. STONE / Portrait of Whooping crane {Grus americana} endangered species, USA captive

Igor Shpilenok / Captive Great white / Siberian crane portrait at Breeding Centre, Oksky Russia.

LYNN M. STONE / Florida sandhill crane (Grus canadensis pratensis) vocalising, Lakeland, Florida, USA, January

Ben Cranke / White naped crane (Grus vipio) Kyushu, Japan

Ben Cranke / Flock of Hooded Cranes (Grus monacha) Kyushu, Japan

Bruno D'Amicis / Sudan black crowned crane (Balearica pavonina ceciliae) in wetland, vulnerable, Kaffa Zone, Southern Ethiopia, East Africa December 2008

JIM CLARE / White-naped crane (Grus vipio) building nest amongst reeds, Zhalong Res, NE China, vulnerable species

Nick Upton / Two Common / Eurasian crane eggs (Grus grus) on nest made of old reeds. Schorfheide-Chorin Biosphere Reserve, Brandenburg, Germany, April.

Wild Wonders of Europe / Shpilenok / Demoiselle crane (Anthropoides virgo) tending two eggs in its nest, Cherniye Zemli (Black Earth) Nature Reserve, Kalmykia, Russia, May 2009

Igor Shpilenok / Newly hatched Demoiselle crane chick next to unhatched egg, Russia.

Igor Shpilenok / Captive Siberian crane chick {Grus leucogeranus} at Oksky crane breeding centre, Russia.

Marie Read / Sandhill Crane (Grus canadensis), Florida race, close-up of two adults with two chicks, Orlando, Florida, USA