Fabrice Cahez / Red squirrel (Sciurus vulgaris) rear view of tail on moss covered tree, Allier, Auvergne, France, March

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.

Lorraine Bennery / European bee-eater (Merops apiaster) in flight, with a prey Oak Eggar Moth (Lasiocampa quercus), Allier, France, July.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) searching in cache in tree, Allier, Auvergne, France, July.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) 2, Allier, Auvergne, France, July.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) tail as it runs away, Allier, Auvergne, France, July.

Lorraine Bennery / Alpine longhorn beetle (Rosalia alpina), Allier, France, July.

Fabrice Cahez / Common crane (Grus grus) flock in flight, silhouetted at sunset, Allier River, France, December.

Fabrice Cahez / Common crane (Grus grus) flock standing in the Allier river, Auvergne, France, December.

Fabrice Cahez / Wild boar (Sus scrofa) in a river, Allier river, France, December.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) with nut, Allier, Auvergne, France, July.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) 2, Allier, Auvergne, France, July.

Fabrice Cahez / Eurasian teal (Anas crecca) in flight, Allier river, France, February.

Fabrice Cahez / Common cranes (Grus grus) silhouetted in water, Allier river, France, February.

Fabrice Cahez / Common cranes (Grus grus) in flight at sunrise, Allier river, France, February.

Fabrice Cahez / Common cranes (Grus grus) at dawn, Allier river, France, February.

Fabrice Cahez / Common crane (Grus grus) in flight, Allier river, France, February.

Fabrice Cahez / Common cranes (Grus grus), Allier river, France, February.

Fabrice Cahez / Common cranes (Grus grus), Allier river, France, February.

Fabrice Cahez / Common crane (Grus grus) at dawn with town lights in background, Allier river, France, January 2013

Fabrice Cahez / Red squirrel (Sciurus vulgaris) on branch feeding on hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) feeding on nut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) feeding on hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) with hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) blurred rear view, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) silhouetted on branch, Allier, Auvergne, France, March

Loic Poidevin / Remortes Bridge, over Allier river, France, September 2009

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.

Fabrice Cahez / Wren (Troglodytes troglodytes) gathering moss for nest building, Allier, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) with hazelnut in mouth, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating nut, with Great tit (Parus major) in the background watching, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) scratching itself on branch, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, with Great tit (Parus major) in the background watching, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) climbing down tree with hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) eating hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) on tree trunk eating a hazelnut, Allier, Auvergne, France, March

Fabrice Cahez / Red squirrel (Sciurus vulgaris) running down tree with hazelnut in its mouth, Allier, Auvergne, France, March

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 / Red squirrel (Sciurus vulgaris) looking over moss covered stone wall, Allier, Auvergne, France, December 2011

Fabrice Cahez / Red squirrel (Sciurus vulgaris) sitting on branch eating a nut, Allier, Auvergne, France, December.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) climbing down tree with nut in mouth, Allier, Auvergne, France, December.

Fabrice Cahez / Red squirrel (Sciurus vulgaris) sitting on branch eating a nut, Allier, Auvergne, France, December.

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 / European rabbit (Oryctolagus cuniculus) feeding in grass, Allier, France, April

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 / Ruddy Sympetrum (Sympetrum sanguineum) perched on a flower head. Allier, France, July.

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.