Un écureuil, Red Squirrel - a photo on Flickriver

Sciurus vulgaris Il cherche sa nourriture d'abord à la cime des arbres, surtout en début et en fin de journée: noix, noisettes, graines des arbres, bourgeons, écorces, insectes, œufs et jeunes oiseaux encore au nid, mais il peut aussi descendre s'installer sur une souche d'arbre pour y ouvrir plus aisément les graines récoltées. Parfois on le surprend même à explorer garages et greniers ! N'ayant pas de garde-manger dans son nid, l'écureuil aménage des caches sans logique apparente, soit au sol, souvent près du pied des arbres, soit dans les arbres, par exemple à la fourche de branches. On a récemment montré chez d'autres écureuils aux États-Unis et chez l'écureuil roux en Europe qu'il consomme aussi d'importantes quantités de champignons souterrains
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The red squirrel eats mostly the seeds of trees, neatly stripping conifer cones to get at the seeds within. Fungi, nuts (especially hazelnuts but also beech and chestnuts), berries, young shoots, and meat such as bird eggs are also eaten. Often the bark of trees is removed to allow access to sap. Between 60% and 80% of its active period may be spent foraging and feeding. Excess food is put into caches, either buried or in nooks or holes in trees, and eaten when food is scarce. Although the red squirrel remembers where it created caches at a better-than-chance level, its spatial memory is substantially less accurate and durable than that of grey squirrel; it therefore will often have to search for them when in need, and many caches are never found again. No territories are maintained, and the feeding areas of individuals overlap considerably.

CaméraSony DSLR-A850
Exposition0,001 sec (1/1000)
Ouverturef/4.0
Longueur focale200 mm
Vitesse ISO400
Détection du degré d'exposition+0.7 EV

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Taken in: France / Ile-de-France / Sceaux (show map)

Taken on: April 1, 2012

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Sets appears in: • Animaux, au parc ou ailleurs • Ecureuil, Squirrel more » • All 2012 • Sony A850 • Minolta - AF 80-200 mm F2.8 HS APO G « less

Groups appears in: • All Animals • Adobe Photoshop CS (all CS versions) more » • Parc de Sceaux • WORLD OF NATURE the best post1 AWARD 2 • Mordus de photos « less

Camera: Sony DSLR-A850, f/4.0, 1/1000 sec, 200mm, ISO 400 (more info) (hide info)

Camera:	Sony DSLR-A850
Lens:	80-200mm F2.8
Aperture:	f/4.0
Exposure Time:	0.001 sec (1/1000)
Focal Length:	200mm
ISO:	400
Exposure Bias:	+0.7 EV
Flash:	Off, Did not fire
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop CS5 Windows
Show full info

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