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2470 résultats pour : nesting hole

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Sand martin (Riparia riparia), pair at the breeding tube, Schleswig-Holstein, Germany
BRK26C38_275

Sand martin (Riparia riparia), pair at the breedin...

Sand martin (Riparia riparia), at breeding tube, Reussegg nature reserve, Canton Aargau,
BRK26C10_113

Sand martin (Riparia riparia), at breeding tube, R...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26C52_018

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Goosander (Mergus merganser) one day old fledglings at the breeding den in a field barn, a few
BRK26C36_143

Goosander (Mergus merganser) one day old fledgling...

Sand martin (Riparia riparia), approaching the breeding tube, Reussegg nature reserve, Canton
BRK26C10_142

Sand martin (Riparia riparia), approaching the bre...

Sand martin (Riparia riparia), taking off from its breeding tube, Reussegg nature reserve, Canton
BRK26C10_145

Sand martin (Riparia riparia), taking off from its...

Sand martin (Riparia riparia), approaching the breeding tube, Reussegg nature reserve, Canton
BRK26C10_109

Sand martin (Riparia riparia), approaching the bre...

Sand martin (Riparia riparia), taking off from its breeding tube, Reussegg nature reserve, Canton
BRK26C10_110

Sand martin (Riparia riparia), taking off from its...

Goosander (Mergus merganser) female at the breeding den in a field barn, a few seconds in front of
BRK26C36_142

Goosander (Mergus merganser) female at the breedin...

Sand martin (Riparia riparia), taking off from its breeding tube, Reussegg nature reserve, Canton
BRK26C10_144

Sand martin (Riparia riparia), taking off from its...

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding
BRK26C52_035

Southern Yellow-billed Hornbill (Tockus leucomelas...

Sand martin (Riparia riparia), taking off from its breeding tube, Reussegg nature reserve, Canton
BRK26C10_111

Sand martin (Riparia riparia), taking off from its...

Sand martin (Riparia riparia), approaching the breeding tube, Reussegg nature reserve, Canton
BRK26C10_114

Sand martin (Riparia riparia), approaching the bre...

Insect hotel, artificially created shelter, nesting aid and overwintering aid for insects in the
BRK26C55_176

Insect hotel, artificially created shelter, nestin...

Kestrel (Falco tinnunculus), female at the breeding den in a rock, Algarve, Portugal
BRK26C38_348

Kestrel (Falco tinnunculus), female at the breedin...

A starling (Sturnus vulgaris) looks away from its breeding den in a natural hollow on the trunk of
BRK26C04_429

A starling (Sturnus vulgaris) looks away from its ...

Bee or bug hotel or insect house on a brick wall in a garden, England, United Kingdom
BRK26C37_480

Bee or bug hotel or insect house on a brick wall i...

Insect hotel, artificially created shelter, nesting aid and overwintering aid for insects in the
BRK26C55_187

Insect hotel, artificially created shelter, nestin...

A starling (Sturnus vulgaris) sits in front of its breeding den natural den away from a tree trunk
BRK26C04_430

A starling (Sturnus vulgaris) sits in front of its...

Eurasian blue tit (Cyanistes caeruleus) coming out of a bird house, Bavaria, Germany
BRK26C41_484

Eurasian blue tit (Cyanistes caeruleus) coming out...

Raccoon (Procyon lotor), young animal looking out of a tree hollow, North Rhine-Westphalia, Germany
BRK26C38_482

Raccoon (Procyon lotor), young animal looking out ...

Eurasian blue tit (Cyanistes caeruleus) flying away from a bird house, Bavaria, Germany
BRK26C41_483

Eurasian blue tit (Cyanistes caeruleus) flying awa...

Sand martin (Riparia riparia), pair at the breeding tube, Schleswig-Holstein, Germany
BRK26B83_225

Sand martin (Riparia riparia), pair at the breedin...

Starling (Sturnus vulgaris) at the breeding den, North Rhine-Westphalia, Germany
BRK26B83_249

Starling (Sturnus vulgaris) at the breeding den, N...

Great tit (Parus major), close-up, adult bird sitting at the entrance hole of a half-timbered bird
BRK26B66_499

Great tit (Parus major), close-up, adult bird sitt...

Great tit (Parus major), close-up, adult bird sitting on a half-timbered bird nesting box in front
BRK26B67_004

Great tit (Parus major), close-up, adult bird sitt...

Great tit (Parus major), close-up, adult bird sitting at the entrance hole of a half-timbered bird
BRK26B67_002

Great tit (Parus major), close-up, adult bird sitt...

Sand martin (Riparia riparia) at the breeding tube, Schleswig-Holstein, Germany
BRK26B83_222

Sand martin (Riparia riparia) at the breeding tube...

African penguin (Spheniscus demersus) captive, in breeding den, Stuttgart, Baden-Württemberg,
BRK26B79_127

African penguin (Spheniscus demersus) captive, in ...

Single house wasp (Polistes dominula), also called European Paper Wasp or French wasp (formerly
BRK26B74_414

Single house wasp (Polistes dominula), also called...

Bee or bug hotel or insect house on a brick wall in a garden, England, United Kingdom
BRK26B82_022

Bee or bug hotel or insect house on a brick wall i...

Eurasian blue tit (Cyanistes caeruleus) coming out of a bird house, Bavaria, Germany
BRK26B89_443

Eurasian blue tit (Cyanistes caeruleus) coming out...

Eurasian blue tit (Cyanistes caeruleus) flying away from a bird house, Bavaria, Germany
BRK26B89_444

Eurasian blue tit (Cyanistes caeruleus) flying awa...

Eurasian blue tit (Cyanistes caeruleus) coming out of a bird house, Bavaria, Germany
BRK26B89_446

Eurasian blue tit (Cyanistes caeruleus) coming out...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, pair, on tree, at breeding
BRK26B44_293

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Young great spotted woodpecker (Dendrocopos major) at the breeding den, Ahlhorn, Lower Saxony,
BRK26B19_277

Young great spotted woodpecker (Dendrocopos major)...

Starling (Sturnus vulgaris) at the breeding den, North Rhine-Westphalia, Germany
BRK26B15_228

Starling (Sturnus vulgaris) at the breeding den, N...

Goosander (Mergus merganser) female with one day old young birds at the breeding den in a field
BRK26B09_023

Goosander (Mergus merganser) female with one day o...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26B44_298

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26B44_299

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Goosander (Mergus merganser) one day old fledglings at the breeding den in a field barn, a few
BRK26B09_018

Goosander (Mergus merganser) one day old fledgling...

Tree sparrow (Passer montanus), adult bird sitting at entrance hole of bird nesting box with food
BRK26B13_472

Tree sparrow (Passer montanus), adult bird sitting...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, pair, on tree, at breeding
BRK26B44_294

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26B44_300

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26B44_295

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, pair, on tree, at breeding
BRK26B44_296

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding
BRK26B44_329

Southern Yellow-billed Hornbill (Tockus leucomelas...

Goosander (Mergus merganser) one day old young bird at the breeding den in a field barn, a few
BRK26B09_025

Goosander (Mergus merganser) one day old young bir...

Sand martin (Riparia riparia) at the breeding tube, Schleswig-Holstein, Germany
BRK26B15_180

Sand martin (Riparia riparia) at the breeding tube...

Goosander (Mergus merganser) female at the breeding den in a field barn, a few seconds in front of
BRK26B09_019

Goosander (Mergus merganser) female at the breedin...

Sand martin (Riparia riparia), pair at the breeding tube, Schleswig-Holstein, Germany
BRK26B15_190

Sand martin (Riparia riparia), pair at the breedin...

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding
BRK26B44_330

Southern Yellow-billed Hornbill (Tockus leucomelas...

Bee or bug hotel or insect house in a garden, England, United Kingdom
BRK26B13_119

Bee or bug hotel or insect house in a garden, Engl...

Bee or bug hotel or insect house on a wooden fence in a garden, England, United Kingdom
BRK26B13_120

Bee or bug hotel or insect house on a wooden fence...

Bee or bug hotel or insect house on a brick wall in a garden, England, United Kingdom
BRK26B13_114

Bee or bug hotel or insect house on a brick wall i...

Insect hotel, wildlife park, Bavaria, Germany
BRK26B50_436

Insect hotel, wildlife park, Bavaria, Germany

A little owl (Athene noctua) sits in an artificial nesting box and looks around attentively,
BRK26B30_204

A little owl (Athene noctua) sits in an artificial...

Securing itself in front of the breeding den... Wryneck (Jynx torquilla), rare native, rather
BRK26B45_024

Securing itself in front of the breeding den... Wr...

Breeding wall of the sand martin colony... Sand martin (Riparia riparia), occupied breeding tubes
BRK26B45_068

Breeding wall of the sand martin colony... Sand ma...

Eurasian blue tit (Cyanistes caeruleus) flying away from a bird house, Bavaria, Germany
BRK26B22_336

Eurasian blue tit (Cyanistes caeruleus) flying awa...

Bee or bug hotel or insect house in a garden, England, United Kingdom
BRK26B13_122

Bee or bug hotel or insect house in a garden, Engl...

A young pine marten (Martes martes) looks curiously out of a tree hollow, animal children, cute,
BRK26B26_451

A young pine marten (Martes martes) looks curiousl...

In the sunshine... Black woodpecker (Dryocopus martius) under the canopy of beech trees, adult
BRK26B45_020

In the sunshine... Black woodpecker (Dryocopus mar...

Eurasian blue tit (Cyanistes caeruleus) coming out of a bird house, Bavaria, Germany
BRK26B22_338

Eurasian blue tit (Cyanistes caeruleus) coming out...

Steep sand hill with holes, surrounded by vegetation Sand martins (Riparia riparia) nest in a sand
BRK26B20_114

Steep sand hill with holes, surrounded by vegetati...

In the breeding wall... Sand martin (Riparia riparia) sitting at the entrance hole of its breeding
BRK26B45_067

In the breeding wall... Sand martin (Riparia ripar...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26A93_359

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26A93_360

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26A93_358

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Mopanetoko (Tockus rufirostris), Southern Red-billed Hornbill, adult, on tree, alert, at breeding
BRK26A93_361

Mopanetoko (Tockus rufirostris), Southern Red-bill...

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding
BRK26A93_410

Southern Yellow-billed Hornbill (Tockus leucomelas...

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding
BRK26A93_411

Southern Yellow-billed Hornbill (Tockus leucomelas...

Loud begging calls... Great spotted woodpecker (Dendrocopos major), young woodpecker looks out of
BRK26A95_151

Loud begging calls... Great spotted woodpecker (De...

Natural habitat... Little owl (Athene noctua), owl, small owl, adult bird, sits in the entrance of
BRK26A97_283

Natural habitat... Little owl (Athene noctua), owl...

A sand martin (Riparia riparia) flies into the blue sky over a sand excavation with nesting burrows
BRK26A69_243

A sand martin (Riparia riparia) flies into the blu...

Immediately in front of the first flight... Great spotted woodpecker (Dendrocopos major), young
BRK26A95_150

Immediately in front of the first flight... Great ...

Great spotted woodpecker (Dendrocopos major), female adult bird brings prey to the breeding cavity,
BRK26A95_156

Great spotted woodpecker (Dendrocopos major), fema...

He watches over the entrance to his breeding den... European Eagle Owl (Bubo bubo), young bird in
BRK26A97_273

He watches over the entrance to his breeding den.....

In the dark forest... Great spotted woodpecker (Dendrocopos major) at the breeding cavity in a
BRK26A95_155

In the dark forest... Great spotted woodpecker (De...

Widely developed... Black woodpecker (Dryocopus martius), young male black woodpecker stretches his
BRK26A95_132

Widely developed... Black woodpecker (Dryocopus ma...

Black woodpecker (Dryocopus martius), adult male at his breeding den in an old beech tree in front
BRK26A95_137

Black woodpecker (Dryocopus martius), adult male a...

Woodpecker feeding... Great spotted woodpecker (Dendrocopos major), female great spotted woodpecker
BRK26A95_149

Woodpecker feeding... Great spotted woodpecker (De...

A little owl (Athene noctua) sits in an artificial nesting box and looks around attentively,
BRK26A76_128

A little owl (Athene noctua) sits in an artificial...

Black woodpecker (Dryocopus martius), adult male, at his breeding den in an old beech tree feeding
BRK26A95_138

Black woodpecker (Dryocopus martius), adult male, ...

Delusions of grandeur... Middle spotted woodpecker (Leiopicus medius) sitting on an old beech tree,
BRK26A95_473

Delusions of grandeur... Middle spotted woodpecker...

A pair... Sand martin (Riparia riparia), two sand martins sitting together at the entrance to their
BRK26A97_348

A pair... Sand martin (Riparia riparia), two sand ...

Doesn't fit... Middle spotted woodpecker (Leiopicus medius) sitting on an old beech tree,
BRK26A95_472

Doesn't fit... Middle spotted woodpecker (Leiopicu...

More appearance than reality... Middle Spotted Woodpecker (Leiopicus medius) at an old beech tree,
BRK26A95_121

More appearance than reality... Middle Spotted Woo...

Ants in the feathers... Black woodpecker (Dryocopus martius), adult male, returning to his breeding
BRK26A95_474

Ants in the feathers... Black woodpecker (Dryocopu...

A young pine marten (Martes martes) looks curiously out of a tree hollow, animal children, cute,
BRK26A69_005

A young pine marten (Martes martes) looks curiousl...

Two young little owls (Athene noctua) sitting snuggled together in the entrance of an artificial
BRK26A76_118

Two young little owls (Athene noctua) sitting snug...

Delusions of grandeur... Middle spotted woodpecker (Leiopicus medius) sitting on an old beech tree,
BRK26A95_123

Delusions of grandeur... Middle spotted woodpecker...

Ants in the feathers... Black woodpecker (Dryocopus martius), adult male, returning to his breeding
BRK26A95_126

Ants in the feathers... Black woodpecker (Dryocopu...

In the sunshine... Black woodpecker (Dryocopus martius) under the canopy of beech trees, adult
BRK26A95_476

In the sunshine... Black woodpecker (Dryocopus mar...

Black woodpecker (Dryocopus martius), adult male, at his breeding den in an old beech tree feeding
BRK26A95_477

Black woodpecker (Dryocopus martius), adult male, ...

Circular breeding cavity... Great spotted woodpecker (Dendrocopos major), young woodpecker looks
BRK26A96_340

Circular breeding cavity... Great spotted woodpeck...

Widely developed... Black woodpecker (Dryocopus martius), young male black woodpecker stretches his
BRK26A95_127

Widely developed... Black woodpecker (Dryocopus ma...

Black woodpecker (Dryocopus martius), adult male, at his breeding den in an old beech tree feeding
BRK26A95_139

Black woodpecker (Dryocopus martius), adult male, ...

In its tree hollow... Tawny owl (Strix aluco), nocturnal owl, sits during the day in a natural
BRK26A97_295

In its tree hollow... Tawny owl (Strix aluco), noc...

Control view... European eagle owl (Bubo bubo), two young birds, young owls sitting in the entrance
BRK26A97_299

Control view... European eagle owl (Bubo bubo), tw...

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