2729 results for: ground holes

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Insect hotel, insect house made from natural materials, nesting aid and species protection for

BRK26F74_321

Insect hotel, insect house made from natural mater...

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

BRK26F89_054

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

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

BRK26F58_017

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

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

BRK26F87_108

Reforestation in the Arnsberg Forest near Warstein...

Wren (Troglodytes troglodytes), close-up, adult bird sitting on the ground in a small snow-free

BRK26F63_057

Wren (Troglodytes troglodytes), close-up, adult bi...

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

BRK26F91_381

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

Eurasian Hoopoe (Upupa epops) feeding juvenile in breeding cavity, Saxony, Germany

BRK26F74_430

Eurasian Hoopoe (Upupa epops) feeding juvenile in ...

Eurasian Hoopoe (Upupa epops) feeding chick in nest hole, Aosta Valley, Italy

BRK26F74_376

Eurasian Hoopoe (Upupa epops) feeding chick in nes...

Hooded Warbler (Setophaga citrina) female perched on the ground, Texas, USA

BRK26F99_455

Hooded Warbler (Setophaga citrina) female perched ...

Eurasian Eagle-Owl (Bubo bubo) chick in front of nest hole, North Rhine-Westphalia, Germany

BRK26F75_016

Eurasian Eagle-Owl (Bubo bubo) chick in front of n...

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

BRK26F54_460

Common starling, European starling (Sturnus vulgar...

Eurasian Hoopoe (Upupa epops) feeding chick in breeding cavity, Saxony-Anhalt, Germany

BRK26F55_443

Eurasian Hoopoe (Upupa epops) feeding chick in bre...

Spotted Owlet (Athene brama) juvenile in breeding cavity, Rajasthan, India

BRK26F62_090

Spotted Owlet (Athene brama) juvenile in breeding ...

Black Woodpecker (Dryocopus martius) female feeding chicks in nest hole, North Rhine-Westphalia,

BRK26F64_299

Black Woodpecker (Dryocopus martius) female feedin...

Middle Spotted Woodpecker (Dendrocoptes medius) feeds young in breeding cavity, Saxony, Germany

BRK26F99_182

Middle Spotted Woodpecker (Dendrocoptes medius) fe...

Middle Spotted Woodpecker (Dendrocoptes medius) with feed at breeding cavity, Saxony, Germany

BRK26F76_119

Middle Spotted Woodpecker (Dendrocoptes medius) wi...

Garden Warbler (Sylvia borin) in a little stream, Mecklenburg-Western Pomerania, Germany

BRK26F86_266

Garden Warbler (Sylvia borin) in a little stream, ...

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

BRK26F87_192

Eurasian Wryneck (Jynx torquilla) at nest hole, No...

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...

Great Spotted Woodpecker (Dendrocopos major) female feeds juvenile in breeding cavity, Utrecht,

BRK26F85_486

Great Spotted Woodpecker (Dendrocopos major) femal...

Eurasian Eagle-Owl (Bubo bubo) juveniles with food at breeding cavity, North Rhine-Westphalia,

BRK26F77_206

Eurasian Eagle-Owl (Bubo bubo) juveniles with food...

Garden Warbler (Sylvia borin) at a waterhole, Andalusia, Spain

BRK26F80_359

Garden Warbler (Sylvia borin) at a waterhole, Anda...

Siberian Thrush (Geokichla sibirica) female perched on a the ground, Di Linh, Vietnam

BRK26F91_289

Siberian Thrush (Geokichla sibirica) female perche...

Flight of a great spotted woodpecker from the nesting cavity

BRK26F87_252

Flight of a great spotted woodpecker from the nest...

Great Spotted Woodpecker (Dendrocopos major) female at breeding cavity, Rhineland-Palatinate,

BRK26F95_060

Great Spotted Woodpecker (Dendrocopos major) femal...

Black woodpecker, (Dryocopus martius), mTuiere, birds, woodpeckers, family of the true woodpeckers,

BRK26F89_496

Black woodpecker, (Dryocopus martius), mTuiere, bi...

Black-thighed Falconet (Microhierax fringillarius) juveniles peering out from nesting hole,

BRK26F76_484

Black-thighed Falconet (Microhierax fringillarius)...

Eurasian Hoopoe (Upupa epops) feeding chicks in breeding cavity, Saxony-Anhalt, Germany

BRK26F92_265

Eurasian Hoopoe (Upupa epops) feeding chicks in br...

Rose-ringed Parakeet (Psittacula krameri) male at nesting hole, Hesse, Germany

BRK26F75_146

Rose-ringed Parakeet (Psittacula krameri) male at ...

Lesser Whitethroat (Sylvia curruca) at waterhole, Aosta Valley, Italy

BRK26F78_003

Lesser Whitethroat (Sylvia curruca) at waterhole, ...

Common Starling (Sturnus vulgaris) feeding young in nest hole, Rhineland-Palatinate, Germany

BRK26F54_431

Common Starling (Sturnus vulgaris) feeding young i...

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

BRK26F80_290

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

Scaly Laughingthrush (Trochalopteron subunicolor griseatum) at a waterhole, Yunnan, China

BRK26F74_292

Scaly Laughingthrush (Trochalopteron subunicolor g...

Eurasian Hoopoe (Upupa epops) feeding chick in breeding cavity, Saxony-Anhalt, Germany

BRK26F63_113

Eurasian Hoopoe (Upupa epops) feeding chick in bre...

Eurasian Hoopoe (Upupa epops) feeding chicks in breeding cavity, Saxony-Anhalt, Germany

BRK26F88_054

Eurasian Hoopoe (Upupa epops) feeding chicks in br...

White-browed Scimitar Babbler (Pomatorhinus schisticeps) at waterhole, Kaeng Krachan, Thailand

BRK26F82_395

White-browed Scimitar Babbler (Pomatorhinus schist...

Eurasian Hoopoe (Upupa epops) at nest hole, Aosta Valley, Italy

BRK26F88_412

Eurasian Hoopoe (Upupa epops) at nest hole, Aosta ...

Eurasian Blackcap (Sylvia atricapilla) female at a waterhole, Lower Saxony, Germany

BRK26F91_072

Eurasian Blackcap (Sylvia atricapilla) female at a...

Wreathed Hornbill (Rhyticeros undulatus) male feeding at the nesting hole, Yunnan, China

BRK26G01_284

Wreathed Hornbill (Rhyticeros undulatus) male feed...

Common Ground Dove (Columbina passerina) at a waterhole, Texas, USA

BRK26G02_042

Common Ground Dove (Columbina passerina) at a wate...

Starling (Sturnus vulgaris), at nesting cavity, Flachsee nature reserve, Reusstal, Freiamt, Canton

BRK26F88_183

Starling (Sturnus vulgaris), at nesting cavity, Fl...

Close-up of an insect hotel with detailed wooden construction and drilled holes, Münsterland, North

BRK26F69_218

Close-up of an insect hotel with detailed wooden c...

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

BRK26F90_262

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

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

BRK26F60_048

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

Tit examining a tree cave, winter, Germany

BRK26F68_360

Tit examining a tree cave, winter, Germany

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

BRK26F65_488

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

Insect asylum, insect box, insect hotel, bee house, an artificial help for nesting and

BRK26F54_067

Insect asylum, insect box, insect hotel, bee house...

Starling (Sturnus vulgaris) feeding the young bird in a woodpecker cavity, North Rhine-Westphalia,

BRK26F63_498

Starling (Sturnus vulgaris) feeding the young bird...

A damaged staircase in an old building undergoing renovation. Exposed areas show deterioration,

BRK26F96_154

A damaged staircase in an old building undergoing ...

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

BRK26F52_463

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

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

BRK26F68_473

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

BRK26F91_351

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

Wild boar (Sus scrofa) standing in a little waterhole in a forest, Bavaria, Germany

BRK26F61_117

Wild boar (Sus scrofa) standing in a little waterh...

Rock parakeet (Cyanoliseus patagonus) sitting at the entrance of its breeding den in a sandstone

BRK26G00_433

Rock parakeet (Cyanoliseus patagonus) sitting at t...

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

BRK26F69_267

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

Rock parakeets (Cyanoliseus patagonus) in flight and on sandstone cliffs with breeding burrows,

BRK26F56_371

Rock parakeets (Cyanoliseus patagonus) in flight a...

Hoopoe (Upupa epops) Bird of the Year 2022, male with caterpillar as food for the young bird,

BRK26F72_331

Hoopoe (Upupa epops) Bird of the Year 2022, male w...

Insect asylum, insect box, insect hotel, bee house, an artificial help for nesting and

BRK26D11_274

Insect asylum, insect box, insect hotel, bee house...

Bumblebee queen, bumblebee, (Bombus hortorum) goes through the bumblebee hatch into the bumblebee

BRK26D13_164

Bumblebee queen, bumblebee, (Bombus hortorum) goes...

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

BRK26D19_124

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

Insect hotel or insect house, nesting aid for a wide variety of insects, self-made, sealed tubes

BRK26D44_100

Insect hotel or insect house, nesting aid for a wi...

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

BRK26D24_490

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

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

BRK26D29_366

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

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

BRK26D18_111

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

Insect asylum, insect box, insect hotel, bee house, an artificial help for nesting and

BRK26D11_332

Insect asylum, insect box, insect hotel, bee house...

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

BRK26D43_248

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

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

BRK26D33_380

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

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

BRK26D49_463

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

Little Owl (Athene noctua) juvenile in breeding cavity, Andalusia, Spain

BRK26D29_031

Little Owl (Athene noctua) juvenile in breeding ca...

Eurasian Hoopoe (Upupa epops) feeding chick in breeding cavity, Saxony-Anhalt, Germany

BRK26D29_445

Eurasian Hoopoe (Upupa epops) feeding chick in bre...

Eurasian Hoopoe (Upupa epops) feeding chick in breeding cavity, Saxony-Anhalt, Germany

BRK26D38_062

Eurasian Hoopoe (Upupa epops) feeding chick in bre...

Crimson-mantled Woodpecker (Colaptes rivolii), feeding juvenile in breeding cavity, Napo, Ecuador

BRK26D47_389

Crimson-mantled Woodpecker (Colaptes rivolii), fee...

Golfodulcean poison frog (Phyllobates vittatus), sitting in a burrow, Corcovado National Park, Osa,

BRK26D09_018

Golfodulcean poison frog (Phyllobates vittatus), s...

Eurasian Hoopoe (Upupa epops) at the breeding cavity, Saxony-Anhalt, Germany

BRK26D20_384

Eurasian Hoopoe (Upupa epops) at the breeding cavi...

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

BRK26D42_219

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

European Green Woodpecker (Picus viridis) male at breeding cavity, Rhineland-Palatinate, Germany

BRK26D43_438

European Green Woodpecker (Picus viridis) male at ...

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

BRK26D30_476

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

Sand Martin (Riparia riparia) building nest hole, North Rhine-Westphalia, Germany

BRK26D32_188

Sand Martin (Riparia riparia) building nest hole, ...

Alexandrine Parakeet (Psittacula eupatria) female peering out from nest hole, Hesse, Germany

BRK26D28_018

Alexandrine Parakeet (Psittacula eupatria) female ...

Spotted Owlet (Athene brama) juvenile in breeding cavity, Rajasthan, India

BRK26D13_401

Spotted Owlet (Athene brama) juvenile in breeding ...

Black-cheeked Woodpecker (Melanerpes pucherani) male looking out of nest hole, Alajuela, Costa Rica

BRK26D51_212

Black-cheeked Woodpecker (Melanerpes pucherani) ma...

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

BRK26D27_206

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

Harlequin crab (Cardisoma armatum), in a hole in the ground, Manuel Antonio National Park,

BRK26D10_190

Harlequin crab (Cardisoma armatum), in a hole in t...

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

BRK26D09_223

Great Spotted Woodpecker (Dendrocopos major) juven...

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

BRK26D26_367

Common starling, European starling (Sturnus vulgar...

Eurasian Hoopoe (Upupa epops) feeding chicks in breeding cavity, Saxony-Anhalt, Germany

BRK26D16_210

Eurasian Hoopoe (Upupa epops) feeding chicks in br...

European Green Woodpecker (Picus viridis) juvenile at breeding cavity, Saxony-Anhalt, Germany

BRK26D22_289

European Green Woodpecker (Picus viridis) juvenile...

Klappergrasmuecke Jungvogel badet

BRK26D44_159

Klappergrasmuecke Jungvogel badet

Alexandrine Parakeet (Psittacula eupatria) male peering out from nest hole, Hesse, Germany

BRK26D45_077

Alexandrine Parakeet (Psittacula eupatria) male pe...

Horned mason bee (Osmia cornuta), sitting on a log of an insect hotel, Schwaz, Tyrol, Austria

BRK26D11_029

Horned mason bee (Osmia cornuta), sitting on a log...

Lesser Whitethroat (Sylvia curruca) at waterhole, Aosta Valley, Italy

BRK26D40_456

Lesser Whitethroat (Sylvia curruca) at waterhole, ...

European Green Woodpecker (Picus viridis) female feeding chick in nest hole, North

BRK26D51_392

European Green Woodpecker (Picus viridis) female f...

Black Woodpecker (Dryocopus martius) male at breeding cavity, North Rhine-Westphalia, Germany

BRK26D39_344

Black Woodpecker (Dryocopus martius) male at breed...

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...

Black woodpecker, (Dryocopus martius), mTuiere, birds, woodpeckers, family of the true woodpeckers,

BRK26D53_249

Black woodpecker, (Dryocopus martius), mTuiere, bi...

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...

Alexandrine Parakeet (Psittacula eupatria) female peering out from nest hole, Hesse, Germany

BRK26D28_017

Alexandrine Parakeet (Psittacula eupatria) female ...

Lesser Whitethroat (Sylvia curruca) at waterhole, Aosta Valley, Italy

BRK26D28_184

Lesser Whitethroat (Sylvia curruca) at waterhole, ...

Eurasian Nuthatch (Sitta europaea) feeds at nesting hole, Utrecht, Netherlands

BRK26D54_415

Eurasian Nuthatch (Sitta europaea) feeds at nestin...

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