2782 résultats pour : ground holes

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

BRK26G42_201

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

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

BRK26G23_486

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

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

BRK26G38_368

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

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

BRK26G39_251

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

Black Woodpecker (Dryocopus martius) female peering out from nesting hole, Netherlands

BRK26G20_021

Black Woodpecker (Dryocopus martius) female peerin...

Black Woodpecker (Dryocopus martius) female at nest hole with chick, North Rhine-Westphalia,

BRK26G47_050

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

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

BRK26G49_246

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

Great Spotted Woodpecker (Dendrocopos major) male at breeding cavity, Saxony-Anhalt, Germany

BRK26G23_438

Great Spotted Woodpecker (Dendrocopos major) male ...

Chestnut-headed Bee-eater (Merops leschenaulti) at breeding cavity, Penang, Malaysia

BRK26G47_339

Chestnut-headed Bee-eater (Merops leschenaulti) at...

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

BRK26G22_422

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

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

BRK26G32_105

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

Zebra with blue storm sky with clouds. Burchell's zebra, Equus quagga burchellii, Nxai Pan National

BRK26G41_283

Zebra with blue storm sky with clouds. Burchell's ...

Great Spotted Woodpecker (Dendrocopos major) female at nesting hole, North Rhine-Westphalia,

BRK26G46_079

Great Spotted Woodpecker (Dendrocopos major) femal...

Western Jackdaw (Coloeus monedula) at nesting hole, Spain

BRK26G09_433

Western Jackdaw (Coloeus monedula) at nesting hole...

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

BRK26G13_344

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

Dartford Warbler (Sylvia undata) male at waterhole, Liguria, Italy

BRK26G33_345

Dartford Warbler (Sylvia undata) male at waterhole...

Rose-ringed Parakeet (Psittacula krameri) at nesting hole in house front, Baden-Wuerttemberg,

BRK26G33_364

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

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

BRK26G38_360

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

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

BRK26G34_290

Black-thighed Falconet (Microhierax fringillarius)...

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

BRK26G41_015

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

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

BRK26G42_111

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

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

BRK26G50_061

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

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

BRK26G27_074

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

Great Spotted Woodpecker (Dendrocopos major) female at breeding cavity with juvenile,

BRK26G31_243

Great Spotted Woodpecker (Dendrocopos major) femal...

Great spotted woodpecker in flight to the breeding den

BRK26G25_152

Great spotted woodpecker in flight to the breeding...

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

BRK26G34_328

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

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

BRK26G38_281

Common Ground Dove (Columbina passerina) group at ...

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

BRK26G52_203

Mountain Pygmy Owl Glaucidium gnoma Huachuca Mount...

Black-and-buff Woodpecker (Meiglyptes jugularis) male at breeding cavity, Khao Yai, Thailand

BRK26G15_252

Black-and-buff Woodpecker (Meiglyptes jugularis) m...

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

BRK26G16_203

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

Great Hornbill (Buceros bicornis) male feeding at breeding cavity, Yunnan, China

BRK26G31_256

Great Hornbill (Buceros bicornis) male feeding at ...

European Green Woodpecker (Picus viridis) male at breeding cavity with juvenile,

BRK26G36_132

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

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...

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

BRK26G35_200

Mountain Pygmy Owl Glaucidium gnoma Huachuca Mount...

Red-breasted Nuthatch (Sitta canadensis) feeding chick in breeding hole, British Columbia, Canada

BRK26G39_381

Red-breasted Nuthatch (Sitta canadensis) feeding c...

Great Spotted Woodpecker (Dendrocopos major) male at breeding cavity with food in beak,

BRK26G43_200

Great Spotted Woodpecker (Dendrocopos major) male ...

Tit examining a tree cave, winter, Germany

BRK26G12_428

Tit examining a tree cave, winter, Germany

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

BRK26G06_188

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

A rocky area with a hole in the ground. Rabat, Morocco

BRK26G52_273

A rocky area with a hole in the ground. Rabat, Mor...

View of an ongoing construction site featuring exposed rebar, concrete floors, and temporary

BRK26G35_293

View of an ongoing construction site featuring exp...

Rhinoceros bird (Buceros rhinoceros), adult, male, at breeding den, Southeast Asia

BRK26G07_125

Rhinoceros bird (Buceros rhinoceros), adult, male,...

Sand martin (Riparia riparia), with food in its beak at the breeding den, Reussegg nature reserve,

BRK26G18_012

Sand martin (Riparia riparia), with food in its be...

Starling (Sturnus vulgaris) young bird from the breeding site in a woodpecker cavity, North

BRK26G21_033

Starling (Sturnus vulgaris) young bird from the br...

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

BRK26G12_467

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

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

BRK26G21_175

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

Great spotted woodpecker (Dendrocopos major), departing male, female with insects in her beak at

BRK26G38_272

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

Great spotted woodpecker (Dendrocopos major), female feeds almost fledged young bird in the

BRK26G40_031

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

Wryneck (Jynx torquilla) pair at the breeding den, courtship display, male and female, woodpecker,

BRK26G34_366

Wryneck (Jynx torquilla) pair at the breeding den,...

Great spotted woodpecker (Dendrocopos major), male flies out of the entrance hole, female waits

BRK26G50_289

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

Great spotted woodpecker (Dendrocopos major), male with tongue outstretched at the entrance hole of

BRK26G40_292

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

Middle spotted woodpecker (Leiopicus medius), female feeds almost fledged young bird at the

BRK26G41_167

Middle spotted woodpecker (Leiopicus medius), fema...

Starling, also Common starling (Sturnus vulgaris), feeds nestling at a breeding cavity in a wall,

BRK26G09_167

Starling, also Common starling (Sturnus vulgaris),...

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...

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...

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

BRK26F87_108

Reforestation in the Arnsberg Forest near Warstein...

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 ...

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...

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...

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, ...

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

BRK26F87_192

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

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...

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

BRK26F54_431

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

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, ...

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

BRK26F80_290

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

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

BRK26F63_113

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

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

BRK26F74_292

Scaly Laughingthrush (Trochalopteron subunicolor g...

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...

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