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1417 results for: tree holes

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One East Brazilian pygmy owl (Glaucidium minutissimum), also known as least pygmy-owl or Sick's
BRK26G78_336

One East Brazilian pygmy owl (Glaucidium minutissi...

Duck Street, Mousehole, Cornwall, England, UK 1967
BRK26G90_437

Duck Street, Mousehole, Cornwall, England, UK 1967

Pair of great spotted woodpeckers at their breeding den
BRK26G76_204

Pair of great spotted woodpeckers at their breedin...

Two gnarled rustic chestnuts (Castanea sativa), old tree shapes, branch, thick tree trunk with
BRK26G88_415

Two gnarled rustic chestnuts (Castanea sativa), ol...

Close up of a wooden insect house hotel structure created to provide shelter for insects
BRK26G78_380

Close up of a wooden insect house hotel structure ...

Great spotted woodpecker (Dendrocopos major), almost fledged young bird begging at the entrance
BRK26G91_079

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

Wicker (Salix viminalis) around a shallow body of water formed from dead ice, Mecklenburg-Western
BRK26G69_430

Wicker (Salix viminalis) around a shallow body of ...

Insect hotel in the alder quarry forest, Rheda-Wiedenbrück, Westphalia, North Rhine-Westphalia,
BRK26G64_320

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

Reforestation in the Arnsberg Forest near Rüthen-Nettelstädt, Soest district, forestry workers
BRK26G42_201

Reforestation in the Arnsberg Forest near Rüthen-N...

Tree Pipit (Anthus trivialis) bathing at a waterhole, Aosta Valley, Italy
BRK26G28_266

Tree Pipit (Anthus trivialis) bathing at a waterho...

Eurasian Tree Sparrow (Passer montanus) at a waterhole, Aosta Valley, Italy
BRK26G07_143

Eurasian Tree Sparrow (Passer montanus) at a water...

Eurasian Tree Sparrow (Passer montanus) figthting at a waterhole, Aosta Valley, Italy
BRK26G12_440

Eurasian Tree Sparrow (Passer montanus) figthting ...

Tawny Owl (Strix aluco) sleeping in tree hole, Netherlands
BRK26G29_433

Tawny Owl (Strix aluco) sleeping in tree hole, Net...

Eurasian Tree Sparrow (Passer montanus) drinking at a waterhole, Aosta Valley, Italy
BRK26G41_408

Eurasian Tree Sparrow (Passer montanus) drinking a...

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

North Rhine-Westphalia, Germany, storm damage, a good 4 metre long branch was broken off by the
BRK26F67_033

North Rhine-Westphalia, Germany, storm damage, a g...

Reforestation in the Arnsberg Forest near Warstein-Sichtigvor, Soest district, forestry workers
BRK26F87_108

Reforestation in the Arnsberg Forest near Warstein...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in
BRK26F54_460

Common starling, European starling (Sturnus vulgar...

Long-tailed tit (Aegithalos caudatus) adult female, sitting at the entrance hole of its nest in a
BRK26F63_064

Long-tailed tit (Aegithalos caudatus) adult female...

Eurasian Tree Sparrow (Passer montanus) figthting at a waterhole, Aosta Valley, Italy
BRK26F56_260

Eurasian Tree Sparrow (Passer montanus) figthting ...

New Zealand kingfisher (Todiramphus sanctus vagans) at nest hole
BRK26F72_035

New Zealand kingfisher (Todiramphus sanctus vagans...

Central America, Costa Rica, Quetzal at breeding den, (Pharomachrus moccino)
BRK26F80_290

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

Tawny Owl (Strix aluco) peering out from hole in tree, North Rhine-Westphalia, Germany
BRK26F76_116

Tawny Owl (Strix aluco) peering out from hole in t...

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...

One East Brazilian pygmy owl (Glaucidium minutissimum), also known as least pygmy-owl or Sick's
BRK26D50_321

One East Brazilian pygmy owl (Glaucidium minutissi...

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...

Tree Pipit (Anthus trivialis) bathing, Netherlands
BRK26D21_125

Tree Pipit (Anthus trivialis) bathing, Netherlands

Eurasian Tree Sparrow (Passer montanus) figthting at a waterhole, Aosta Valley, Italy
BRK26D24_167

Eurasian Tree Sparrow (Passer montanus) figthting ...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in
BRK26D26_367

Common starling, European starling (Sturnus vulgar...

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...

Willow Warbler (Phylloscopus trochilus) at little stream, Mecklenburg-Western Pomerania, Germany
BRK26D36_415

Willow Warbler (Phylloscopus trochilus) at little ...

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...

Tree Pipit (Anthus trivialis) bathing at a waterhole, Aosta Valley, Italy
BRK26D46_191

Tree Pipit (Anthus trivialis) bathing at a waterho...

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...

Tree Pipit (Anthus trivialis) at a waterhole, Aosta Valley, Italy
BRK26E44_040

Tree Pipit (Anthus trivialis) at a waterhole, Aost...

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from nest hole in tree, North
BRK26E43_408

Great Spotted Woodpecker (Dendrocopos major) juven...

Tawny Owl (Strix aluco) peering out from hole in tree, North Rhine-Westphalia, Germany
BRK26E53_494

Tawny Owl (Strix aluco) peering out from hole in t...

Eurasian Wryneck (Jynx torquilla) perched at nest hole in tree, North Rhine-Westphalia, Germany
BRK26E15_111

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

Tree Pipit (Anthus trivialis) bathing, Netherlands
BRK26E13_492

Tree Pipit (Anthus trivialis) bathing, Netherlands

Insect hotel, nesting aid, animals, insects, beech, beech trunk, Baden-Württemberg, Federal
BRK26E48_327

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

Tawny Owl (Strix aluco) sleeping in tree hole, Netherlands
BRK26E34_309

Tawny Owl (Strix aluco) sleeping in tree hole, Net...

Southern White-faced Owl (Ptilopsis granti) captive, peering out of a tree hollow, Germany
BRK26E23_168

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

Hohburg tunnel in Friedewald near Moritzburg, Saxony, Germany
BRK26E06_300

Hohburg tunnel in Friedewald near Moritzburg, Saxo...

Parrot Scarlet Macaw, Ara macao, in green tropical forest, Costa Rica, Wildlife scene from tropic
BRK26D87_357

Parrot Scarlet Macaw, Ara macao, in green tropical...

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...

Tree Pipit (Anthus trivialis) at a waterhole, Aosta Valley, Italy
BRK26D57_148

Tree Pipit (Anthus trivialis) at a waterhole, Aost...

Common starling, European starling (Sturnus vulgaris) adult in breeding plumage at nest hole in
BRK26D64_056

Common starling, European starling (Sturnus vulgar...

Tree Pipit (Anthus trivialis) bathing at a waterhole, Aosta Valley, Italy
BRK26D98_114

Tree Pipit (Anthus trivialis) bathing at a waterho...

Eurasian Tree Sparrow (Passer montanus) bathing at a waterhole, Aosta Valley, Italy
BRK26D60_473

Eurasian Tree Sparrow (Passer montanus) bathing at...

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...

Aerial view of the fan-shaped basalt outcrop of the former quarry on the Hirtstein, called
BRK26D59_006

Aerial view of the fan-shaped basalt outcrop of th...

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 ...

Hohburg tunnel in Friedewald near Moritzburg, Saxony, Germany
BRK26C60_161

Hohburg tunnel in Friedewald near Moritzburg, Saxo...

A body of water surrounded by willows (Salix viminalis), formed by dead ice, Othenstorf,
BRK26C67_405

A body of water surrounded by willows (Salix vimin...

Impressive sunset over the African savanna, silhouette of the horizon with trees in front of the
BRK26C56_462

Impressive sunset over the African savanna, silhou...

Great Spotted Woodpecker (Dendrocopos major) juvenile peering out from nest hole in tree, North
BRK26C62_433

Great Spotted Woodpecker (Dendrocopos major) juven...

American Tree Sparrow, Spizella arborea, bathing in a backyard pond in Saskatoon, Saskatchewan,
BRK26C79_031

American Tree Sparrow, Spizella arborea, bathing i...

Operation at the nest box entrance
BRK26C58_423

Operation at the nest box entrance

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...

Smoky-brown Woodpeckerl, Leuconotopicus fumigatus sitting on branch with nesting hole, brown and
BRK26C96_250

Smoky-brown Woodpeckerl, Leuconotopicus fumigatus ...

Eurasian Tree Sparrow (Passer montanus) figthting at a waterhole, Aosta Valley, Italy
BRK26C84_332

Eurasian Tree Sparrow (Passer montanus) figthting ...

Impressive sunset over the African savanna, silhouette of the horizon with trees in front of the
BRK26C46_400

Impressive sunset over the African savanna, silhou...

Silver birch tree (Betula pendula) close up of a hole in the bark that looks like an eye, England,
BRK26C36_064

Silver birch tree (Betula pendula) close up of a h...

Silver birch tree (Betula pendula) close up of a hole in the bark of the trunk thats looks like an
BRK26C35_243

Silver birch tree (Betula pendula) close up of a h...

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...

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...

Silver birch tree (Betula pendula) close up of a hole in the bark of the trunk thats looks like an
BRK26B76_055

Silver birch tree (Betula pendula) close up of a h...

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...

Impressive sunset over the African savanna, silhouette of the horizon with trees in front of the
BRK26B99_390

Impressive sunset over the African savanna, silhou...

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...

Buffalo herd at the water surrounded by trees, a living natural environment, water buffalo (Bubalus
BRK26B33_241

Buffalo herd at the water surrounded by trees, a l...

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...

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