Fabrice Cahez / Muskrat (Ondatra zibethicus) at water surface. River Allier, France, April.

Fabrice Cahez / Western Cattle Egret (Bubulcus ibis) in a field by domestic cattle. River Allier, France, May.

Fabrice Cahez / Roe Deer (Capreolus capreolus) swimming across River Allier, France, February.

Michel Roggo / Atlantic Salmon (Salmo salar) young fry with yolk sac almost empty. Allier river, France, in hatchery of the Research Station Petite Camargue Alsacienne, France, February. Captive. Sequence 5 of 5.

Michel Roggo / Atlantic salmon (Salmo salar) recently hatched fry with yolk sac. Allier river, France, in hatchery of the Research Station Petite Camargue Alsacienne, France, February. Sequence 4 of 5.

Michel Roggo / Atlantic Salmon (Salmo salar) soon after hatching, with yolk sacs attached. Allier river, France, in hatchery of the Research Station Petite Camargue Alsacienne, France, February. Sequence 3 of 5.

Michel Roggo / Atlantic Salmon (Salmo salar) embryo seen in egg. Allier River, France, in hatchery of the Research Station Petite Camargue Alsacienne, France, February. Sequence 2 of 5.

Michel Roggo / Atlantic Salmon (Salmo salar) eggs. Allier River, France, in hatchery of the Research Station Petite Camargue Alsacienne, France, February. Sequence 1 of 5.

Wild Wonders of Europe / Möllers / Black-crowned night heron (Nycticorax nycticorax) perched on branch, near the bank of an oxbow of the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Male Yellow clubtail dragonfly (Gomphus simillimus) resting on stone, Allier river, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Male Banded demoiselle damselfly (Calopteryx splendens) on leaf above water, Allier River, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Pont-du-Chateau viewed from across the river Allier at night, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Old stone bridge crossing the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Tiny male Wasp spider (Argiope bruennichi) with large female behind on their webs, Etang des Boires - an oxbow of the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Pioneer vegetation on gravel bank by the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Nutria / Coypu (Myocastor coypus) adult and cub resting at their burrow entrance in an oxbow of the river Allier, Pont-du-Chateau, France, August 2010

Wild Wonders of Europe / Möllers / Rear view of Common kingfisher (Alcedo atthis) perched on branch above the River Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Female Wasp spider (Argiope bruennichi) on web, Etang des Boires - an oxbow of the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Canada geese (Branta canadensis) on the river Allier, with one standing in shallow water, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Japanese knotweed (Polygonumn cuspidatum / Fallopia japonica) growing by the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Man selecting a dry fly for fly-fishing in the river Allier, Pont-du-Chateau, Auvergne, France, August 2010, model released

Wild Wonders of Europe / Möllers / Man fly-fishing in the river Allier, Pont-du-Chateau, Auvergne, France, August 2010, model released

Wild Wonders of Europe / Möllers / Man casting his fly out onto the river Allier, Pont-du-Chateau, France, August 2010, model released

Wild Wonders of Europe / Möllers / Cliffs on the bank of the river Allier, 4 km upstream of Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Female Sparrowhawk (Accipiter nisus) on bank of the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Female Sparrowhawk (Accipiter nisus) on the bank of the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Wild Wonders of Europe / Möllers / Blue-winged grasshopper (Oedipoda caerulescens) on stone, by the river Allier, Pont-du-Chateau, Auvergne, France, August 2010

Fabrice Cahez / Wild boar (Sus scrofa) crossing a river early in the night, Allier River, December.

Fabrice Cahez / Common crane (Grus grus) three in flight, Allier River, Auvergne, France.

Fabrice Cahez / Common crane (Grus grus) in flight, Allier River, Auvergne, France.

Fabrice Cahez / Common crane (Grus grus) flock huddled to sleep, Allier River, Auvergne, France.

Fabrice Cahez / Common crane (Grus grus) flock wading in river, Allier River, Auvergne, France.

Fabrice Cahez / Wild boar (Sus scrofa) swimming in the Allier river, France, July

Fabrice Cahez / Wild boar (Sus scrofa) walking in river, Allier River, France, July

Fabrice Cahez / Coypu (Myocastor coypus) feeding, Allier river, France, April

Fabrice Cahez / Black kite (Milvus migrans) in flight, Allier river, France, April

Fabrice Cahez / Common kingfisher (Alcedo atthis) perched on branch, Allier river, France, July

Fabrice Cahez / Common kingfisher (Alcedo atthis) perched on branch, Allier river, France, July

Fabrice Cahez / Common kingfisher (Common kingfischer) rear view, perched on branch drying wings, Allier river, France, July

Fabrice Cahez / Common kingfisher (Alcedo atthis) reacting to approaching kingfisher, Allier river, France, July

Fabrice Cahez / Great cormorant (Phalacrocorax carbo) with large fish, Allier river, France, February

Fabrice Cahez / Great cormorant (Phalacrocorax carbo) on water, Allier river, France, February

Fabrice Cahez / Two Eurasian beavers (Castor fiber) at river edge, Allier river, France, July

Fabrice Cahez / Beaver (Castor fiber) at water surface. River Allier, France, April.

Fabrice Cahez / Northern Pintail (Anas acuta) in flight. River Allier, France, April.

Fabrice Cahez / Sand Martin (Riparia riparia) perched nest to sand bank, River Allier, France, July.

Fabrice Cahez / Close-up of the feet of a Purple Heron (Ardea purpurea) perched on branch, River Allier, France, July.

Fabrice Cahez / Purple Heron (Ardea purpurea) hunting by water. River Allier, France, July.

Fabrice Cahez / Purple Heron, (Ardea purpurea) with rodent prey in beak. River Allier, France, May. Sequence 2/2

Fabrice Cahez / Purple Heron (Ardea purpurea) stalking rodent prey in grass. River Allier, France, May. Sequence 1/2

Fabrice Cahez / Western Cattle Egret (Bubulcus ibis) by River Allier, France, July.

Fabrice Cahez / Great Cormorant (Phalacrocorax carbo) gaping on water. River Allier, France, December.

Fabrice Cahez / Roe Deer (Capreolus capreolus) silhouetted swimming across River Allier, France, February.

Fabrice Cahez / Eurasian Stone-curlew (Burhinus oedicnemus) foraging amont pebbles. River Allier, France, July.

Fabrice Cahez / Great Cormorant (Phalacrocorax carbo) swallowing a large fish as a gull looks on. River Allier, France, November.

Fabrice Cahez / Northern / Hen Harrier (Circus cyaneus) female in flight. River Allier, France, December.

Fabrice Cahez / Coypu (Myocastor coypus) mother with offspring on ice by water. River Allier, France, December.

Fabrice Cahez / Western Great Egret (Ardea alba) in shallow water of River Allier, France, December.

Fabrice Cahez / Coypu (Myocastor coypus) mother and young on ice by water. River Allier, France, December.

Fabrice Cahez / Eurasian Bittern (Botaurus stellaris) with a large fish in its beak. River Allier, France, December.

Fabrice Cahez / A group of Coypu ( Myocastor coypus) swimming. River Allier, France, August.

Fabrice Cahez / Young Black-crowned Night Heron (Nycticorax nycticorax). River Allier, France, July.

Fabrice Cahez / Opsrey (Pandion halietus) cleaning its wings in water. River Allier, France, April.

Fabrice Cahez / Great Cormorant (Phalacrocorax carbo) shaking water from its wings. River Allier, France, December.

Fabrice Cahez / Common Greenshank (Tringa nebularia) in shallow water. River Allier, France, April.

Fabrice Cahez / Common Sandpiper (Actitis hypoleucos) foraging among stones. River Allier, France, July.

Fabrice Cahez / Beaver (Castor fiber) swimming in river Allier, France, April.

Fabrice Cahez / Black-crowned Night Heron (Nycticorax nycticorax) swallowing a fish. River Allier, France, July.

Fabrice Cahez / Portrait of a Canada Goose (Branta canadensis) in water. River Allier, France, April.

Fabrice Cahez / Western Yellow Wagtail (Motacilla flava) calling in field of oil seed rape. River Allier, France, April.

Fabrice Cahez / Osprey (Pandion halietus) with fish in its talons being chased by Common Buzzard (Buteo buteo). River Allier, France, April.

Fabrice Cahez / Avocet (Recurvirostra avosetta) silhouetted in shallow water at dawn. River Allier, France, July.

Fabrice Cahez / Little Egret (Egretta garzetta) with a small fish in its beak. River Allier, France, July.

Fabrice Cahez / Little Egret (Egretta garzetta) in profile. River Allier, France, July.

Fabrice Cahez / Little Egret (Egretta garzetta) coming in to land. River Allier, France, July.

Fabrice Cahez / Little Egret (Egretta garzetta) silhouetted in shallow water. River Allier, France, July.

Jean E. Roche / Aerial view of Lavoute-Chilhac with bridge across river Allier, Haute-Loire, France

Jean E. Roche / Flooded riparian forest (Fraxinus, Populus), River Allier, France

Jean E. Roche / Lavoute-Chilhac village above meander in Allier river, Haut Allier, Auvergne, France

Jean E. Roche / St Arcons village above Allier river, Haut Allier, Auvergne, France

Jean E. Roche / Allier river with rain clouds Aubigny Vee France