2549 results for: cavities

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

BRK26H56_376

Two parrots are sitting together in a tree hollow:...

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

BRK26H63_428

Borstrand stalk porling, Lentinus arcularius, Poly...

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

BRK26H66_149

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

A curious parrot peeks out of a tree hollow and surveys its surroundings: a ring-necked parakeet

BRK26H71_111

A curious parrot peeks out of a tree hollow and su...

Two green parrots are perched close together on a tree trunk with uneven bark: a rose-ringed

BRK26H58_077

Two green parrots are perched close together on a ...

Green woodpecker (Picus viridis) male at the breeding cavity in an old oak tree, wildlife,

BRK26H95_279

Green woodpecker (Picus viridis) male at the breed...

A single parrot sits in a tree hollow, still and alert: a ring-necked parakeet (Psittacula

BRK26H60_099

A single parrot sits in a tree hollow, still and a...

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

BRK26H76_158

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

A parrot dances in the light and shade as it peeks out of a tree hollow, a ring-necked parakeet

BRK26H69_401

A parrot dances in the light and shade as it peeks...

A green parrot peeks out of a hollow in a tree, surrounded by natural bark, a ring-necked parakeet

BRK26H76_456

A green parrot peeks out of a hollow in a tree, su...

A parrot explores its surroundings whilst peering out of a tree hollow, ring-necked parakeet

BRK26H78_011

A parrot explores its surroundings whilst peering ...

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

BRK26H75_234

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

A parrot sits relaxed yet alert in a tree hollow, observing the world: a ring-necked parakeet

BRK26H57_120

A parrot sits relaxed yet alert in a tree hollow, ...

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

BRK26H72_219

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

Green woodpecker (Picus viridis) female at the breeding cavity in an old oak tree, wildlife,

BRK26H77_499

Green woodpecker (Picus viridis) female at the bre...

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

BRK26H61_482

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

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

BRK26H69_237

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

A solitary parrot perched against a tree with patterned bark: a ring-necked parakeet (Psittacula

BRK26H58_105

A solitary parrot perched against a tree with patt...

Star, starling, sturnus vulgaris, birds, breed, brood cave, female, high size, portrait format,

BRK26H63_261

Star, starling, sturnus vulgaris, birds, breed, br...

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

BRK26H65_403

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

Pileated Woodpecker (Dendrocopos major) at the breeding cavity, Piciformes, Göggingen,

BRK26I02_071

Pileated Woodpecker (Dendrocopos major) at the bre...

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

BRK26H64_205

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

Apidae, bees, hymenoptera, osmia bicornis, osmia rufa, red mason bee, red mason bee, insects,

BRK26H93_417

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

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

BRK26H80_469

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

Nuthatch (Sitta europaea), looking out of its nesting cavity, Lake Neusiedl National Park,

BRK26H99_133

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

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

BRK26H67_364

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

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

BRK26H73_496

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

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

BRK26H64_337

Borstrand stalk porling, Lentinus arcularius, Poly...

A deep, dark tree hollow with weathered wood, showing no signs of animal activity, ring-necked

BRK26H88_085

A deep, dark tree hollow with weathered wood, show...

Hoopoe (Upupa epops) – Bird of the Year 2022, male with food, prey, foraging, food for the chicks,

BRK26H67_183

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

Green Woodpecker (Picus viridis) – a female at her nesting hole in an old oak tree, wildlife,

BRK26H67_105

Green Woodpecker (Picus viridis) – a female at her...

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

BRK26H84_095

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

Green Woodpecker (Picus viridis) – a female feeding a chick in a nesting cavity in an old oak tree,

BRK26H60_372

Green Woodpecker (Picus viridis) – a female feedin...

Raccoon (Procyon lotor), Minnesota, USA: A young raccoon, hidden in a tree hollow, with an alert

BRK26H60_493

Raccoon (Procyon lotor), Minnesota, USA: A young r...

Raccoon (Procyon lotor), Minnesota, USA. A young raccoon peeks out curiously from a tree hollow

BRK26H63_129

Raccoon (Procyon lotor), Minnesota, USA. A young r...

Green Woodpecker (Picus viridis) – a female at her nesting hole in an old oak tree, wildlife,

BRK26H73_436

Green Woodpecker (Picus viridis) – a female at her...

European edible dormouse (Glis glis) coming out of a tree hole, Bavaria, Germany

BRK26H67_116

European edible dormouse (Glis glis) coming out of...

European edible dormouse (Glis glis) coming out of a tree hole, Bavaria, Germany

BRK26H75_218

European edible dormouse (Glis glis) coming out of...

A starling (Sturnus vulgaris) peering out of its nesting hole, North Rhine-Westphalia, Germany

BRK26H26_253

A starling (Sturnus vulgaris) peering out of its n...

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

BRK26H23_118

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

Starling (Sturnus vulgaris), an adult bird peering out of its nesting cavity, North

BRK26H06_477

Starling (Sturnus vulgaris), an adult bird peering...

Rock pigeon (Columba livia) sitting at the breeding den in a rock, Algarve, Portugal

BRK26H18_377

Rock pigeon (Columba livia) sitting at the breedin...

Animals, birds, woodpecker, great spotted woodpecker (Dendrocopos major), nesting cavity, Lower

BRK26H52_041

Animals, birds, woodpecker, great spotted woodpeck...

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

BRK26H48_187

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

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

BRK26H32_327

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

Eurasian Wryneck (Jynx torquilla) pair in breeding cavity, male with ant eggs in beak, Mecklenburg

BRK26H32_354

Eurasian Wryneck (Jynx torquilla) pair in breeding...

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

BRK26H43_186

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

Black Woodpecker (Dryocopus martius) male at nest cavity, Netherlands

BRK26H49_453

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

Eurasian Nuthatch (Sitta europaea) feeding young in nest cavity, Aosta Valley, Italy

BRK26H44_204

Eurasian Nuthatch (Sitta europaea) feeding young i...

Common Sand Martin - Uferschwalbe - Riparia riparia ssp. riparia, Germany, adult

BRK26H51_227

Common Sand Martin - Uferschwalbe - Riparia ripari...

Green woodpecker (Picus viridis) female at the breeding cavity in an old oak tree, wildlife,

BRK26H31_121

Green woodpecker (Picus viridis) female at the bre...

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

BRK26H29_463

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

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

BRK26H25_119

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

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

BRK26H16_489

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

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

BRK26H25_060

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

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

BRK26H43_252

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

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

BRK26H34_196

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

Textured insect hotel made of wood materials mounted on a wall, Münsterland, North

BRK26H35_446

Textured insect hotel made of wood materials mount...

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

BRK26H09_326

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

A raccoon (Procyon lotor) peeks out of a tree hollow in the forest, surrounded by green leaves,

BRK26H33_404

A raccoon (Procyon lotor) peeks out of a tree holl...

Green Woodpecker (Picus viridis) – a female at her nesting hole in an old oak tree, wildlife,

BRK26H51_374

Green Woodpecker (Picus viridis) – a female at her...

Green Woodpecker (Picus viridis) – a female feeding a chick in a nesting cavity in an old oak tree,

BRK26H12_261

Green Woodpecker (Picus viridis) – a female feedin...

Green Woodpecker (Picus viridis) – a female at her nesting hole in an old oak tree, wildlife,

BRK26H51_455

Green Woodpecker (Picus viridis) – a female at her...

European edible dormouse (Glis glis) coming out of a tree hole, Bavaria, Germany

BRK26H27_127

European edible dormouse (Glis glis) coming out of...

Green Woodpecker (Picus viridis) – a female feeding a chick in a nesting cavity in an old oak tree,

BRK26H23_272

Green Woodpecker (Picus viridis) – a female feedin...

Green Woodpecker (Picus viridis) – a female at her nesting hole in an old oak tree, wildlife,

BRK26H22_046

Green Woodpecker (Picus viridis) – a female at her...

A young green woodpecker (Picus viridis) peering out of its nesting cavity in an old oak tree,

BRK26H20_427

A young green woodpecker (Picus viridis) peering o...

Hoopoe (Upupa epops) – Bird of the Year 2022, male with food, prey, foraging, food for the chicks,

BRK26H26_134

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

Green Woodpecker (Picus viridis) – a female feeding a chick in a nesting cavity in an old oak tree,

BRK26H43_326

Green Woodpecker (Picus viridis) – a female feedin...

A young green woodpecker (Picus viridis) peering out of its nesting cavity in an old oak tree,

BRK26H33_303

A young green woodpecker (Picus viridis) peering o...

European edible dormouse (Glis glis) coming out of a tree hole, Bavaria, Germany

BRK26H16_442

European edible dormouse (Glis glis) coming out of...

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

BRK26H51_054

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

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

BRK26G55_441

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

Insect hotel, Bergen, province of North Holland, Netherlands

BRK26G67_057

Insect hotel, Bergen, province of North Holland, N...

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

BRK26G62_007

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

American Marten (Martes americana) climbing in tree, Yellowstone National Park, USA

BRK26G64_021

American Marten (Martes americana) climbing in tre...

Pair of great spotted woodpeckers at their breeding den

BRK26G76_204

Pair of great spotted woodpeckers at their breedin...

Ascertaining capacity of cranial cavity by means of water, removing putty from skull, 19th century

BRK26G82_024

Ascertaining capacity of cranial cavity by means o...

Great spotted woodpecker bringing food for the young birds to the breeding den, /Dendrocopos

BRK26G90_471

Great spotted woodpecker bringing food for the you...

Red-bellied Woodpecker (Melanerpes carolinus) male at nest cavity, Florida, USA

BRK26G56_399

Red-bellied Woodpecker (Melanerpes carolinus) male...

Eurasian Hoopoe (Upupa epops) juvenile begging for food, Valencia, Spain

BRK26G81_048

Eurasian Hoopoe (Upupa epops) juvenile begging for...

Sand Martin (Riparia riparia) feeding juveniles at breeding cavity, Saxony-Anhalt, Germany

BRK26G84_029

Sand Martin (Riparia riparia) feeding juveniles at...

Great Spotted Woodpecker (Dendrocopos major) male at breeding cavity with chick, North

BRK26G98_318

Great Spotted Woodpecker (Dendrocopos major) male ...

European Green Woodpecker (Picus viridis) chick peering out from nest hole, North Rhine-Westphalia,

BRK26G88_494

European Green Woodpecker (Picus viridis) chick pe...

Waldkauz in sehr schöner Baumhöhle

BRK26G80_296

Waldkauz in sehr schöner Baumhöhle

Sijs drinkend, Siskin drinking

BRK26G60_378

Sijs drinkend, Siskin drinking

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

BRK26G72_477

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

Blue-throated Bee-eater (Merops viridis) at breeding cavity, Penang, Malaysia

BRK26G93_081

Blue-throated Bee-eater (Merops viridis) at breedi...

Golden-cheeked Woodpecker Melanerpes chrysogenys El Tuito, Jalisco, Mexico 10 June Adult Female

BRK26H02_007

Golden-cheeked Woodpecker Melanerpes chrysogenys E...

Dentist wearing black gloves pointing at teeth x ray on a computer screen, highlighting a potential

BRK26G98_139

Dentist wearing black gloves pointing at teeth x r...

Eurasian Pygmy Owl (Glaucidium passerinum) female looking out of breeding cavity with food in beak,

BRK26G74_019

Eurasian Pygmy Owl (Glaucidium passerinum) female ...

Golden-whiskered Barbet (Psilopogon chrysopogon) at nesting hole, Selangor, Malaysia

BRK26G83_362

Golden-whiskered Barbet (Psilopogon chrysopogon) a...

Northern Flicker, Colaptes auratus, male, in nest cavity in Saskatoon, Saskatchewan, Canada

BRK26G57_146

Northern Flicker, Colaptes auratus, male, in nest ...

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

BRK26H02_314

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

Red-bellied Woodpecker (Melanerpes carolinus) male at nest cavity, Florida, USA

BRK26G58_455

Red-bellied Woodpecker (Melanerpes carolinus) male...

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

BRK26G78_488

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

Eurasian Nuthatch (Sitta europaea) feeding young in nest cavity, Aosta Valley, Italy

BRK26G92_231

Eurasian Nuthatch (Sitta europaea) feeding young i...

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

BRK26G67_066

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

Common Starling (Sturnus vulgaris) at nest hole, Baden-Wuerttemberg, Germany

BRK26H01_488

Common Starling (Sturnus vulgaris) at nest hole, B...

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

BRK26G61_147

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

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