802 results for: tree cavities

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Great spotted woodpecker (Dendrocopos major), on insects on a tree, Lower Saxony, Federal Republic

BRK26G42_111

Great spotted woodpecker (Dendrocopos major), on i...

Great spotted woodpecker in flight to the breeding den

BRK26G25_152

Great spotted woodpecker in flight to the breeding...

Mountain Pygmy Owl Glaucidium gnoma Huachuca Mountains, Cochise County, Arizona, United States 4

BRK26G52_203

Mountain Pygmy Owl Glaucidium gnoma Huachuca Mount...

Black Woodpecker (Dryocopus martius) female feeding young at nest hole in tree, Aosta Valley, Italy

BRK26G44_289

Black Woodpecker (Dryocopus martius) female feedin...

Tree Swallow Tachycineta bicolor east of Beaver, Utah, United States 4 July Adult Male in nest hole

BRK26G22_015

Tree Swallow Tachycineta bicolor east of Beaver, U...

Tit examining a tree cave, winter, Germany

BRK26G12_428

Tit examining a tree cave, winter, Germany

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26F54_460

Common starling, European starling (Sturnus vulgar...

Black Woodpecker (Dryocopus martius) female at nest cavity in tree, Aosta Valley, Italy

BRK26F95_137

Black Woodpecker (Dryocopus martius) female at nes...

Central America, Costa Rica, Quetzal at breeding den, (Pharomachrus moccino)

BRK26F80_290

Central America, Costa Rica, Quetzal at breeding d...

Tit examining a tree cave, winter, Germany

BRK26F68_360

Tit examining a tree cave, winter, Germany

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

BRK26F52_463

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

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

BRK26F91_351

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

Green collared parakeet (Psittacula krameri), sitting in the nesting hole of a tree, looking

BRK26F69_267

Green collared parakeet (Psittacula krameri), sitt...

Graubauchhörnchen (Callosciurus caniceps) an Wasserstelle im Regenwald, Kaeng Krachan National

BRK26D35_359

Graubauchhörnchen (Callosciurus caniceps) an Wasse...

Yellow-throated Toucan (Ramphastos ambiguus swainsonii) on nest in hole of rainforest tree, Costa

BRK26D38_153

Yellow-throated Toucan (Ramphastos ambiguus swains...

Insect hotel in the alder quarry forest, Rheda-Wiedenbrück, Westphalia, North Rhine-Westphalia,

BRK26D42_219

Insect hotel in the alder quarry forest, Rheda-Wie...

Tawny Owl (Strix aluco) in tree hole, Saxony, Germany

BRK26D30_476

Tawny Owl (Strix aluco) in tree hole, Saxony, Germ...

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

BRK26D27_206

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

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from nest hole in tree, North

BRK26D09_223

Great Spotted Woodpecker (Dendrocopos major) juven...

Rauhfusskauz_in_Baumhoehle-V-RaK-09-0008

BRK26D17_031

Rauhfusskauz_in_Baumhoehle-V-RaK-09-0008

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26D26_367

Common starling, European starling (Sturnus vulgar...

Waldkauz, lat. Strix aluco, schaut aus seiner Baumhöhle

BRK26D50_068

Waldkauz, lat. Strix aluco, schaut aus seiner Baum...

Violet-green Swallow (Tachycineta thalassina) at the nesting cavity in a tree trunk, Colorado, USA

BRK26D45_015

Violet-green Swallow (Tachycineta thalassina) at t...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26D25_240

Common starling, European starling (Sturnus vulgar...

A nuthatch (Sitta europaea) with building material in its beak on the approach to its breeding den,

BRK26D19_042

A nuthatch (Sitta europaea) with building material...

A Bengal monitor lizard (Varanus bengalensis) hiding in a tree hollow with a wood bark pattern, Sri

BRK26E54_304

A Bengal monitor lizard (Varanus bengalensis) hidi...

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from nest hole in tree, North

BRK26E43_408

Great Spotted Woodpecker (Dendrocopos major) juven...

Eurasian Wryneck (Jynx torquilla) perched at nest hole in tree, North Rhine-Westphalia, Germany

BRK26E15_111

Eurasian Wryneck (Jynx torquilla) perched at nest ...

Rauhfusskauz_aus_Hoehle_schauend, lat. Aegolius funereus

BRK26E20_056

Rauhfusskauz_aus_Hoehle_schauend, lat. Aegolius fu...

Insect hotel, nesting aid, animals, insects, beech, beech trunk, Baden-Württemberg, Federal

BRK26E48_327

Insect hotel, nesting aid, animals, insects, beech...

Southern White-faced Owl (Ptilopsis granti) captive, peering out of a tree hollow, Germany

BRK26E23_168

Southern White-faced Owl (Ptilopsis granti) captiv...

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from hole in tree, North

BRK26D66_199

Great Spotted Woodpecker (Dendrocopos major) juven...

Little Owl (Athene noctua) peering out from nest hole in tree, North Rhine-Westphalia, Germany

BRK26D75_145

Little Owl (Athene noctua) peering out from nest h...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26D64_056

Common starling, European starling (Sturnus vulgar...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26D61_122

Common starling, European starling (Sturnus vulgar...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in

BRK26E04_450

Common starling, European starling (Sturnus vulgar...

Violet-green Swallow (Tachycineta thalassina) peering out from the nesting cavity in a tree trunk,

BRK26D72_408

Violet-green Swallow (Tachycineta thalassina) peer...

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

BRK26D82_452

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

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

BRK26D77_403

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

A nuthatch (Sitta europaea) with building material in its beak on the approach to its breeding den,

BRK26D75_278

A nuthatch (Sitta europaea) with building material...

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

BRK26D84_113

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

Little Owl (Athene noctua), looking out of a tree cavity in the evening light, Biosphere Reserve,

BRK26D94_255

Little Owl (Athene noctua), looking out of a tree ...

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from nest hole in tree, North

BRK26C62_433

Great Spotted Woodpecker (Dendrocopos major) juven...

Operation at the nest box entrance

BRK26C58_423

Operation at the nest box entrance

Waldkauz, lat. Strix aluco, schaut aus seinem Tageseinstand, einer alten Schwarzspechthöhle Anfang

BRK26C94_419

Waldkauz, lat. Strix aluco, schaut aus seinem Tage...

Little Owl, Athene noctua, in the nesting tree hole in the forest, central Europe. Portrait of

BRK26C65_227

Little Owl, Athene noctua, in the nesting tree hol...

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

BRK26C76_139

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

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

BRK26C52_018

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

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 ...

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...

A starling (Sturnus vulgaris) hatching in its natural nesting cavity in a tree trunk of a black

BRK26C04_432

A starling (Sturnus vulgaris) hatching in its natu...

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...

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...

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...

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...

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...

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

BRK26B20_166

Great spotted woodpecker (Dendrocopos major) sitti...

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...

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

BRK26B22_336

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

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...

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...

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...

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...

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 (...

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...

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...

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...

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, ...

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