2985 results for: Nest holes

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Horned mason bee (Osmia cornuta), at its nesting tube, insect hotel, Oberhausen, Ruhr area, North

BRK26J50_133

Horned mason bee (Osmia cornuta), at its nesting t...

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

BRK26J11_098

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

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

BRK26J25_023

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

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

BRK26J20_103

Sand Martin (Riparia riparia) at nest hole, North ...

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

BRK26J34_239

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

Nesting northern fulmar, Arctic fulmar (Fulmarus glacialis glacialis) on nest in hole of sea cliff

BRK26J14_178

Nesting northern fulmar, Arctic fulmar (Fulmarus g...

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

BRK26J25_037

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

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

BRK26J50_468

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

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

BRK26J24_322

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

Eurasian Wryneck (Jynx torquilla) peering out from nest hole in tree, North Rhine-Westfalia,

BRK26J28_381

Eurasian Wryneck (Jynx torquilla) peering out from...

Racket-tailed roller (Coracius garrulus), Hungary, with a lizard in its beak at a nesting cavity,

BRK26J07_287

Racket-tailed roller (Coracius garrulus), Hungary,...

White-throated Kingfisher (Halcyon smyrnensis) at breeding cavity, Penang, Malaysia

BRK26J45_297

White-throated Kingfisher (Halcyon smyrnensis) at ...

Eurasian Hoopoe (Upupa epops) feeding juvenile in breeding cavity, Lombardy, Italy

BRK26J51_141

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

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

BRK26J49_269

Northern Pygmy-Owl Glaucidium gnoma Huachuca Mount...

Western Jackdaw (Coloeus monedula) in nesting hole, Spain

BRK26J50_210

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

European Pied Flycatcher (Ficedula hypoleuca) male at nesting hole with a spider in its beak,

BRK26J47_009

European Pied Flycatcher (Ficedula hypoleuca) male...

Rose-ringed Parakeet (Psittacula krameri) female at nest hole, Hesse, Germany

BRK26J28_146

Rose-ringed Parakeet (Psittacula krameri) female a...

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

BRK26J27_361

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

Corvus monedula, jackdaw, birds, brood cave, breeding ground, corvidae family of birds, nesting

BRK26J07_214

Corvus monedula, jackdaw, birds, brood cave, breed...

Sand martin (Riparia riparia), approaching the breeding tube with feather in its beak, Reussegg

BRK26J28_094

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

A parrot is sitting in a tree hollow, peering out curiously, a ring-necked parakeet (Psittacula

BRK26J38_414

A parrot is sitting in a tree hollow, peering out ...

Green woodpecker (Picus viridis) female feeds young bird in breeding cavity in an old oak tree,

BRK26J25_456

Green woodpecker (Picus viridis) female feeds youn...

Borstrand stalk porling, Lentinus arcularius, Polyporellus arcularius, Polyporus anisoporus,

BRK26J11_151

Borstrand stalk porling, Lentinus arcularius, Poly...

Apidae, bees, horned mason bee, hymenoptera, hornfaced bee, hymenoptera, insect house, insect nest

BRK26J15_221

Apidae, bees, horned mason bee, hymenoptera, hornf...

Starling, Sturnus vulgaris, birds, breed, brood cave, high size, portrait format, male, passeri,

BRK26J35_407

Starling, Sturnus vulgaris, birds, breed, brood ca...

A male green woodpecker (Picus viridis) perched outside the nesting hole, feeding its young,

BRK26J34_077

A male green woodpecker (Picus viridis) perched ou...

Great spotted woodpecker (Dendrocopos major), female carrying droppings from the breeding cavity,

BRK26J44_089

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

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

BRK26J32_127

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

Great spotted woodpecker (Dendrocopos major), male with insects in his beak waiting at a breeding

BRK26J43_126

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

Great spotted woodpecker (Dendrocopos major), male with green caterpillars in his beak at breeding

BRK26J49_145

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

A blue parrot peeks out of a tree hollow, its natural habitat offers protection. Hyacinth macaw

BRK26J13_162

A blue parrot peeks out of a tree hollow, its natu...

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

BRK26I64_182

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

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

BRK26I99_327

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

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

BRK26I82_271

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

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

BRK26I80_150

Eurasian Wryneck (Jynx torquilla) at nest hole out...

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

BRK26I75_059

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

Eurasian Blue Tit (Cyanistes caeruleus) at a tree hollow, Baden-Wuerttemberg, Germany

BRK26I86_045

Eurasian Blue Tit (Cyanistes caeruleus) at a tree ...

Eurasian Pygmy Owl (Glaucidium passerinum) female looking out of breeding cavity looking out of

BRK26I82_143

Eurasian Pygmy Owl (Glaucidium passerinum) female ...

Nesting northern fulmar, Arctic fulmar (Fulmarus glacialis glacialis) on nest in hole of sea cliff

BRK26I56_391

Nesting northern fulmar, Arctic fulmar (Fulmarus g...

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

BRK26I81_236

Black Woodpecker (Dryocopus martius) female feedin...

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

BRK26I92_071

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

Eurasian Pygmy Owl (Glaucidium passerinum) female at breeding cavity with prey, Bavaria, Germany

BRK26I89_081

Eurasian Pygmy Owl (Glaucidium passerinum) female ...

Green woodpecker (Picus viridis) female feeds young bird in breeding cavity in an old oak tree,

BRK26I72_222

Green woodpecker (Picus viridis) female feeds youn...

Borstrand stalk porling, Lentinus arcularius, Polyporellus arcularius, Polyporus anisoporus,

BRK26I62_402

Borstrand stalk porling, Lentinus arcularius, Poly...

Corvus monedula, jackdaw, birds, brood cave, breeding ground, corvidae family of birds, nesting

BRK26I69_175

Corvus monedula, jackdaw, birds, brood cave, breed...

Nuthatch (Sitta europaea) at its natural breeding cavity in a thick tree, waiting in front of the

BRK26I87_119

Nuthatch (Sitta europaea) at its natural breeding ...

Apidae, bees, horned mason bee, hymenoptera, hornfaced bee, hymenoptera, insect house, insect nest

BRK26I60_211

Apidae, bees, horned mason bee, hymenoptera, hornf...

A parrot sits quietly in a tree hollow, observing its surroundings: a ring-necked parakeet

BRK26I63_413

A parrot sits quietly in a tree hollow, observing ...

Sand martin (Riparia riparia), approaching the breeding tube with food in its beak, Reussegg nature

BRK26I94_308

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

Star, Starling, Sturnus Vulgaris, Birds, Breed, Breeding, Female, Feeding, High Size, Portrait,

BRK26I99_061

Star, Starling, Sturnus Vulgaris, Birds, Breed, Br...

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

BRK26I97_373

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

Red-ringed Hornbill (Tockus leucomelas), Southern Yellow-billed Hornbill, adult, male, at a

BRK26I68_342

Red-ringed Hornbill (Tockus leucomelas), Southern ...

A parrot sits peacefully in a tree hollow: a rose-ringed parakeet (Psittacula krameri), adult,

BRK26I54_468

A parrot sits peacefully in a tree hollow: a rose-...

Nuthatch (Sitta europaea), looking out of its breeding den, Lake Neusiedl National Park, Seewinkel,

BRK26I93_178

Nuthatch (Sitta europaea), looking out of its bree...

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

BRK26I81_418

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

Apidae, bees, hymenoptera, osmia bicornis, osmia rufa, red mason bee, red mason bee, high size,

BRK26I86_409

Apidae, bees, hymenoptera, osmia bicornis, osmia r...

A wooden insect hotel with many boreholes, mounted on a grid in sunlight, Germany

BRK26I71_313

A wooden insect hotel with many boreholes, mounted...

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

BRK26I93_427

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

Borstrand stalk porling, Lentinus arcularius, Polyporellus arcularius, Polyporus anisoporus,

BRK26I72_397

Borstrand stalk porling, Lentinus arcularius, Poly...

A parrot peeks out curiously from the safety of a tree hollow: a ring-necked parakeet (Psittacula

BRK26I68_417

A parrot peeks out curiously from the safety of a ...

Hoopoe (Upupa epops) Bird of the Year 2022, feeding, courtship feeding, pair, male and female in

BRK26I85_083

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

A toucan is partially hidden in a tree hollow, surrounded by greenery, Toco toucan (Ramphastos

BRK26I75_249

A toucan is partially hidden in a tree hollow, sur...

Curious raccoon (Procyon lotor) looks out of a tree hollow in a monochrome image, Hesse, Germany

BRK26I79_105

Curious raccoon (Procyon lotor) looks out of a tre...

A hyacinth macaw peeks out of a tree hollow, surveying its surroundings, surrounded by wood and

BRK26I57_186

A hyacinth macaw peeks out of a tree hollow, surve...

A blue hyacinth macaw peeks out curiously from a tree hollow, surrounded by natural bark, hyacinth

BRK26I78_007

A blue hyacinth macaw peeks out curiously from a t...

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

BRK26I95_243

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

A toucan peering out of a hollow tree with green foliage in the background, giant toucan

BRK26I62_094

A toucan peering out of a hollow tree with green f...

A toucan peeks out of a tree hollow, surrounded by green leaves, Toco toucan (Ramphastos toco),

BRK26I62_447

A toucan peeks out of a tree hollow, surrounded by...

Close-up of a raccoon (Procyon lotor) peering out of a tree hollow, Hesse, Germany

BRK26I59_119

Close-up of a raccoon (Procyon lotor) peering out ...

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

BRK26I17_352

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

Horned mason bee (Osmia cornuta), insect hotel, Oberhausen, Ruhr area, North Rhine-Westphalia,

BRK26I48_290

Horned mason bee (Osmia cornuta), insect hotel, Ob...

Two hatchlings house sparrow, Passer domesticus, sitting in their nest in a hole in a tree

BRK26I38_176

Two hatchlings house sparrow, Passer domesticus, s...

Nesting northern fulmar, Arctic fulmar (Fulmarus glacialis glacialis) on nest in hole of sea cliff

BRK26I17_252

Nesting northern fulmar, Arctic fulmar (Fulmarus g...

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

BRK26I42_233

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

Three barn owls, barn owl, animals, birds, owls, barn owls, tree, tree hollow, biotope, habitat,

BRK26I09_290

Three barn owls, barn owl, animals, birds, owls, b...

Animals, birds, owls, a tawny owl perched in a tree hollow amongst autumn leaves (Strix aluco),

BRK26I18_081

Animals, birds, owls, a tawny owl perched in a tre...

Ladder-backed Woodpecker Picoides scalaris Tucson, Pima County, Arizona, United States 15 May Adult

BRK26I37_161

Ladder-backed Woodpecker Picoides scalaris Tucson,...

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

BRK26I48_058

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

Animals, birds, Lake Neusiedl, Austria, wryneck (Jynx torquilla) with a pellet, cleaning its

BRK26I27_062

Animals, birds, Lake Neusiedl, Austria, wryneck (J...

Eurasian Hoopoe (Upupa epops) feeding chicks in breeding cavity, Subotica, Serbia

BRK26I50_455

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

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

BRK26I36_251

Eurasian Eagle-Owl (Bubo bubo) juveniles at breedi...

Eurasian Hoopoe (Upupa epops) feeding juveniles in breeding cavity, Serbia

BRK26I40_398

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

Western Jackdaw (Coloeus monedula) at nesting hole, Spain

BRK26I43_369

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

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

BRK26I43_426

Black Woodpecker (Dryocopus martius) feeding young...

Black Woodpecker (Dryocopus martius) male peering out of breeding cavity, North Rhine-Westphalia,

BRK26I50_317

Black Woodpecker (Dryocopus martius) male peering ...

Little owl in breeding tube (Athene noctua) North Rhine-Westphalia, Germany

BRK26I35_252

Little owl in breeding tube (Athene noctua) North ...

Two parrots are perched close together on a tree trunk, looking ahead, ring-necked parakeet

BRK26I06_177

Two parrots are perched close together on a tree t...

Corvus monedula, jackdaw, birds, brood cave, breeding ground, corvidae family of birds, nesting

BRK26I15_383

Corvus monedula, jackdaw, birds, brood cave, breed...

Red-ringed Hornbill (Tockus leucomelas), Southern Yellow-billed Hornbill, adult, male, at a

BRK26I19_344

Red-ringed Hornbill (Tockus leucomelas), Southern ...

Two parrots are standing together in a tree hollow: a rose-ringed parakeet (Psittacula krameri),

BRK26I10_027

Two parrots are standing together in a tree hollow...

Insect hotel, detailed view, Münsterland, North Rhine-Westphalia, Germany

BRK26I20_174

Insect hotel, detailed view, Münsterland, North Rh...

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

BRK26I50_116

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

Apidae, bees, horned mason bee, hymenoptera, hornfaced bee, hymenoptera, insect house, insect nest

BRK26I10_450

Apidae, bees, horned mason bee, hymenoptera, hornf...

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

BRK26I39_328

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

Apidae, bees, blue wood bee, large wood bee, hymenoptera, violet-winged wood bee, xylocopa

BRK26I50_376

Apidae, bees, blue wood bee, large wood bee, hymen...

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

BRK26I44_108

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

Green woodpecker (Picus viridis) female feeds young bird in breeding cavity in an old oak tree,

BRK26I27_159

Green woodpecker (Picus viridis) female feeds youn...

Borstrand stalk porling, Lentinus arcularius, Polyporellus arcularius, Polyporus anisoporus,

BRK26I17_415

Borstrand stalk porling, Lentinus arcularius, Poly...

A parrot peeks out curiously from a tree hollow and surveys its surroundings: a ring-necked

BRK26I05_411

A parrot peeks out curiously from a tree hollow an...

Raccoon (Procyon lotor), Minnesota, USA. A raccoon looks up curiously from a tree hollow

BRK26I07_414

Raccoon (Procyon lotor), Minnesota, USA. A raccoon...

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