2016 results for: cavity

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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...

Pygmy Owl (Glaucidium passerinum), adult bird at the breeding site looking with its head out of the

BRK26B88_470

Pygmy Owl (Glaucidium passerinum), adult bird at t...

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 ...

Ascertaining capacity of cranial cavity by means of water, removing putty from skull, 19th century

BRK26B88_039

Ascertaining capacity of cranial cavity by means o...

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...

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

Great spotted woodpecker (Dendrocopos major) sitting vertically on a tree trunk and feeding its

BRK26B20_166

Great spotted woodpecker (Dendrocopos major) sitti...

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...

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...

Pygmy Owl (Glaucidium passerinum), adult bird at the breeding site looking with its head out of the

BRK26A68_311

Pygmy Owl (Glaucidium passerinum), adult bird at t...

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...

Operation, opening of the abdominal cavity, laparotomy surgery in Broca Hospital, nurses, doctors,

BRK26A68_185

Operation, opening of the abdominal cavity, laparo...

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...

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...

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...

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...

Teutoburg Forest, Lower Saxony, Germany, Green woodpecker (Picus viridis) looking into its nesting

BRK26A67_257

Teutoburg Forest, Lower Saxony, Germany, Green woo...

Beak full of goodies... Great spotted woodpecker (Dendrocopos major) comes to feed in its nesting

BRK26A95_153

Beak full of goodies... Great spotted woodpecker (...

Curious... Great spotted woodpecker (Dendrocopos major), young woodpecker peering cheekily out of

BRK26A95_479

Curious... Great spotted woodpecker (Dendrocopos m...

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), juvenile, young male black woodpecker is already leaning far

BRK26A95_130

Black woodpecker (Dryocopus martius), juvenile, yo...

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 ...

Young bird in front of the flight... Great spotted woodpecker (Dendrocopos major), young, almost

BRK26A95_147

Young bird in front of the flight... Great spotted...

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

BRK26A95_472

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

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...

In its cave... Tawny owl (Strix aluco), nocturnal owl spends the day in a natural cavity in a tree,

BRK26A93_307

In its cave... Tawny owl (Strix aluco), nocturnal ...

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

BRK26A95_121

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

Well developed... Black woodpecker (Dryocopus martius), young male black woodpecker looking out of

BRK26A95_140

Well developed... Black woodpecker (Dryocopus mart...

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

BRK26A95_474

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

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...

Starling (Sturnus vulgaris) at the entrance to its breeding den on a tree trunk Alder (Alnus

BRK26A69_255

Starling (Sturnus vulgaris) at the entrance to its...

In its cave... Tawny owl (Strix aluco), nocturnal owl spends the day in a natural cavity in a tree,

BRK26A93_308

In its cave... Tawny owl (Strix aluco), nocturnal ...

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...

Delusions of grandeur... Middle spotted woodpecker (Leiopicus medius) on the trunk of an old copper

BRK26A95_122

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

Looking back... Black woodpecker (Dryocopus martius), adult male at his breeding den in an old

BRK26A95_135

Looking back... Black woodpecker (Dryocopus martiu...

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

BRK26A95_136

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

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

BRK26A95_164

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

Teutoburg Forest, Lower Saxony, Germany, Green woodpecker (Picus viridis) with red head climbing on

BRK26A67_255

Teutoburg Forest, Lower Saxony, Germany, Green woo...

Who's looking... Tawny owl (Strix aluco), native, generally known owl looks out of its natural

BRK26A93_309

Who's looking... Tawny owl (Strix aluco), native, ...

Double-decker... Black woodpecker (Dryocopus martius), juvenile, young black woodpeckers, male

BRK26A95_129

Double-decker... Black woodpecker (Dryocopus marti...

Inside ice cave in the Aletsch Glacier area, temporary tunnels and cavities with unique blue and

BRK26A57_136

Inside ice cave in the Aletsch Glacier area, tempo...

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

BRK26A95_131

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

Young owl in its tree cavity... Little owl (Athene noctua), young owl, young owl at its natural

BRK26A97_280

Young owl in its tree cavity... Little owl (Athene...

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

BRK26A57_039

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

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

BRK26A95_125

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

Black woodpecker (Dryocopus martius), adult male in flight, leaves its breeding cavity in an old

BRK26A95_133

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

Woodpecker tongue... Wryneck (Jynx torquilla), unusual native woodpecker species, woodpecker that

BRK26A95_142

Woodpecker tongue... Wryneck (Jynx torquilla), unu...

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