574 results for: tree cavities

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Bumblebee box, with three bumblebee colonies, for pollination of outdoor crops, here apple trees,

BRK25B68_082

Bumblebee box, with three bumblebee colonies, for ...

Nuthatch (Sitta europaea) at its natural breeding cavity in a thick tree, rump and tail still

BRK25A84_357

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

Black spiny-tailed iguana (Ctenosaura similis), black iguana, black ctenosaur in tree cavity, Costa

BRK25A91_377

Black spiny-tailed iguana (Ctenosaura similis), bl...

Rose-ringed parakeet (Psittacula krameri) approaching breeding burrow on tree trunk, flying,

BRK25A89_264

Rose-ringed parakeet (Psittacula krameri) approach...

A great spotted woodpecker (Dendrocopos major) sits on a tree trunk in front of its nesting cavity,

BRK25A69_120

A great spotted woodpecker (Dendrocopos major) sit...

Green collared parakeet (Psittacula krameri), at the nesting cavity of a tree, Baden-Württemberg,

BRK25A84_014

Green collared parakeet (Psittacula krameri), at t...

Eurasian red squirrel (Sciurus vulgaris), tree cave, young animals, Berlin, Germany, Europe

BRK25A90_132

Eurasian red squirrel (Sciurus vulgaris), tree cav...

Great spotted woodpecker (Dendrocopos major) male entering nesting hole in tree trunk in forest

BRK25A93_145

Great spotted woodpecker (Dendrocopos major) male ...

Agri-photovoltaic test plant, an apple orchard with two different systems of PV modules was roofed

BRK25A25_063

Agri-photovoltaic test plant, an apple orchard wit...

Insect hotel for solitary bees and artificial nesting site for other insects and invertebrates with

BRK25A43_112

Insect hotel for solitary bees and artificial nest...

Pruning scar offering nesting cavity in European beech (Fagus sylvatica), Common beech tree trunk

BRK24J04_201

Pruning scar offering nesting cavity in European b...

Black spiny-tailed iguana (Ctenosaura similis), black iguana, black ctenosaur in tree cavity, Costa

BRK24I73_498

Black spiny-tailed iguana (Ctenosaura similis), bl...

Rose-ringed parakeet (Psittacula krameri) flying out of breeding hole on tree trunk, feathers, wing

BRK24I72_400

Rose-ringed parakeet (Psittacula krameri) flying o...

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

BRK24I59_074

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

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

BRK24I66_345

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

Beech Marten (Martes foina) looking out of tree hole, Germany, Europe

BRK24J04_298

Beech Marten (Martes foina) looking out of tree ho...

Black woodpecker (Dryocopus martius) during brood separation in front of the breeding cavity in a

BRK24H87_347

Black woodpecker (Dryocopus martius) during brood ...

Eurasian wryneck (Jynx torquilla) sitting in a tree hollow, mating, breeding den, spring, Middle

BRK24I03_341

Eurasian wryneck (Jynx torquilla) sitting in a tre...

Coal Tit (Periparus ater) Old bird brings food to the breeding cavity in a hollow tree stump,

BRK24H65_418

Coal Tit (Periparus ater) Old bird brings food to ...

Rose-ringed Parakeet (Psittacula krameri) in breeding hole on tree trunk, male, parakeet, parrot,

BRK24H70_360

Rose-ringed Parakeet (Psittacula krameri) in breed...

A great spotted woodpecker (Dendrocopos major) sitting vertically on a tree trunk in front of its

BRK24H21_328

A great spotted woodpecker (Dendrocopos major) sit...

A common starling (Sturnus vulgaris), peeping out of a tree hollow, Hesse, Germany, Europe

BRK24G30_127

A common starling (Sturnus vulgaris), peeping out ...

A common starling (Sturnus vulgaris) peers curiously out of its breeding den, Hesse, Germany,

BRK24G50_367

A common starling (Sturnus vulgaris) peers curious...

Squirrel (Sciurus) fetches nesting material from a nesting hole on a lime tree

BRK24F95_275

Squirrel (Sciurus) fetches nesting material from a...

Grey fox (Urocyon cinereoargenteus), young, looking out of tree den, tree, nine weeks old, Montana,

BRK24F89_240

Grey fox (Urocyon cinereoargenteus), young, lookin...

Coal Tit (Periparus ater) Young birds a few minutes in front of fledging from the breeding cavity

BRK24G03_421

Coal Tit (Periparus ater) Young birds a few minute...

Little owl (Athene noctua) looking through nest opening in old tree

BRK24G04_450

Little owl (Athene noctua) looking through nest op...

Hoopoe (Upupa epops) Bird of the Year 2022, caterpillar as prey for the young bird in the breeding

BRK24F16_093

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

Coal Tit (Periparus ater) Young bird a few minutes in front of fledging from the breeding cavity in

BRK24F40_338

Coal Tit (Periparus ater) Young bird a few minutes...

Insect hotel for solitary bees and artificial nesting place for other insects, invertebrates with

BRK24F40_290

Insect hotel for solitary bees and artificial nest...

Black Woodpecker (Dryocopus martius) with youngs at tree hole, Germany, Europe

BRK24F36_466

Black Woodpecker (Dryocopus martius) with youngs a...

Great spotted woodpecker (Dendrocopos major) male sticking head out off nesting hole in tree trunk

BRK24E97_360

Great spotted woodpecker (Dendrocopos major) male ...

A raccoon (Procyon lotor) looks out of a tree hollow in black and white, Hesse, Germany, Europe

BRK24E61_138

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

Raccoon (Procyon lotor) looking out of its tree den, autumnal ambience, Hesse, Germany, Europe

BRK24E62_096

Raccoon (Procyon lotor) looking out of its tree de...

Raccoon (Procyon lotor) looking out of its tree den, autumnal ambience, Hesse, Germany, Europe

BRK24E59_223

Raccoon (Procyon lotor) looking out of its tree de...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_396

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_397

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E26_073

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), adult, sleeping in a tree in autumn, looking out of a tree

BRK24E26_074

Tengmalm's owl (Aegolius funereus), adult, sleepin...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_392

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E26_076

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_393

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_394

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_395

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E53_343

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_387

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_388

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_390

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_398

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E26_075

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E27_389

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, looking out

BRK24E27_391

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E53_341

Tengmalm's owl (Aegolius funereus), Great Horned O...

Tengmalm's owl (Aegolius funereus), Great Horned Owl, adult, on tree, alert, in autumn, at tree

BRK24E53_342

Tengmalm's owl (Aegolius funereus), Great Horned O...

Eurasian tree sparrow (Passer montanus) building a nest in a tree hollow, in spring, Mönchberg,

BRK24E29_113

Eurasian tree sparrow (Passer montanus) building a...

Garden gnome making music in a tree hollow, near Gössl, Salzkammergut, Styria, Austria, Europe

BRK24E20_145

Garden gnome making music in a tree hollow, near G...

Ruddy shelduck (Tadorna ferruginea) female animal looking out of a tree cavity in an old ash tree

BRK24C79_419

Ruddy shelduck (Tadorna ferruginea) female animal ...

Nature conservation with a wooden box as an insect hotel to help beetles hanging on a tree trunk

BRK24C81_056

Nature conservation with a wooden box as an insect...

Nesting aid for wild bees and other insects with wooden logs, wild bee nesting aid, insect nesting

BRK24C89_045

Nesting aid for wild bees and other insects with w...

Nesting aid for wild bees and other insects with wooden logs, wild bee nesting aid, insect nesting

BRK24C84_144

Nesting aid for wild bees and other insects with w...

Nesting aid for wild bees and other insects with wood and elder stems, wild bee nesting aid, insect

BRK24C94_149

Nesting aid for wild bees and other insects with w...

City dove (Columba livia forma domestica) looking out of a nesting hole in a plane tree,

BRK24C67_153

City dove (Columba livia forma domestica) looking ...

Deadwood structure branch breakage in deciduous forest, close-up of cavity formation after branch

BRK24C62_250

Deadwood structure branch breakage in deciduous fo...

Black woodpecker (Dryocopus martius) at its breeding cavity in a tree, male, Lower Austria,

BRK24C67_442

Black woodpecker (Dryocopus martius) at its breedi...

Black woodpecker (Dryocopus martius) at its breeding cavity in a tree, male, Lower Austria,

BRK24C52_143

Black woodpecker (Dryocopus martius) at its breedi...

Black woodpecker (Dryocopus martius) at its breeding cavity in a tree, male, Lower Austria,

BRK24C67_441

Black woodpecker (Dryocopus martius) at its breedi...

Wooden box as an insect hotel to help rare beetles on a tree in the forest, Sweden, Europe

BRK24B81_049

Wooden box as an insect hotel to help rare beetles...

Wooden box as an insect hotel to help beetles on a tree, Sweden, Europe

BRK24B75_032

Wooden box as an insect hotel to help beetles on a...

Spruce seedling (Picea abies) growing in moss, in the background a tree hollow, Neubeuern, Germany,

BRK24B49_464

Spruce seedling (Picea abies) growing in moss, in ...

Tree cave surrounded by moss and lichen, Neubeuern, Germany, Europe

BRK24B36_174

Tree cave surrounded by moss and lichen, Neubeuern...

Brown long-eared bat (Plecotus auritus) in a tree hollow, Thuringia, Germany, Europe

BRK24B28_291

Brown long-eared bat (Plecotus auritus) in a tree ...

Brown long-eared bat (Plecotus auritus) in a tree hollow, Thuringia, Germany, Europe

BRK24B02_065

Brown long-eared bat (Plecotus auritus) in a tree ...

Brown long-eared bat (Plecotus auritus) in a tree hollow, Thuringia, Germany, Europe

BRK24B04_467

Brown long-eared bat (Plecotus auritus) in a tree ...

Brown long-eared bat (Plecotus auritus) in a tree hollow, Thuringia, Germany, Europe

BRK24B08_064

Brown long-eared bat (Plecotus auritus) in a tree ...

A colourful macaw, parrot resting in a tree cave, jungle, Colombia. South America

BRK24A48_177

A colourful macaw, parrot resting in a tree cave, ...

Young raccoon

BRK23H13_386

Young raccoon

Common starling

BRK23F60_136

Common starling

Common starling

BRK23F58_152

Common starling

Common starling

BRK23F65_049

Common starling

House sparrow

BRK23F63_094

House sparrow

Common starling

BRK23F63_234

Common starling

Insect hotel offering artificial nesting facilities for solitary bees and cavities for hibernating ladybirds and other insects in reed and bamboo stems

BRK23F64_095

Insect hotel offering artificial nesting facilitie...

Common starling

BRK23F62_141

Common starling

Ural Owl

BRK23F25_434

Ural Owl

Eurasian nuthatch

BRK23F12_146

Eurasian nuthatch

Eurasian nuthatch

BRK23F15_253

Eurasian nuthatch

Close up of nesting Little owl

BRK23E68_310

Close up of nesting Little owl

Great Tit

BRK23E69_463

Great Tit

Great Tit

BRK23E75_459

Great Tit

Close up of nesting Little owl

BRK23E77_025

Close up of nesting Little owl

European pine marten

BRK23E68_128

European pine marten

Little owl

BRK23E73_020

Little owl

Little owl

BRK23E75_220

Little owl

European pine marten

BRK23E77_374

European pine marten

Close up of nesting Little owl

BRK23E68_113

Close up of nesting Little owl

Little owl

BRK23E70_317

Little owl

Little owl

BRK23E69_215

Little owl

European pine marten

BRK23E70_330

European pine marten

Close up of nesting Little owl

BRK23E72_117

Close up of nesting Little owl

European pine marten

BRK23E73_033

European pine marten

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