14109 results for: alertness

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Eurasian Eagle-owl (Bubo bubo), adult, perch, soaring, in summer, Wisdom, Šumava, Czech Republic,

BRK25E04_154

Eurasian Eagle-owl (Bubo bubo), adult, perch, soar...

Reddish Egret (Egretta rufescens), adult, in water, foraging, hunting, alert, Merritt Island, Black

BRK25E10_397

Reddish Egret (Egretta rufescens), adult, in water...

Digital nomad working on laptop in a cozy wooden cabin, embracing freedom and flexibility of remote

BRK25E11_473

Digital nomad working on laptop in a cozy wooden c...

One yellow mongoose, Cynictis penicillata, or red meerkat resting on sand, eyes open

BRK25E13_065

One yellow mongoose, Cynictis penicillata, or red ...

Wild rabbit (Oryctolagus cuniculus), in a meadow, adult, alert, wildlife, mammal, Baltic Sea coast,

BRK25E31_164

Wild rabbit (Oryctolagus cuniculus), in a meadow, ...

Three gray wolves (Canis Lupus), standing in the winter forest in front of birch trees and looking

BRK25E36_461

Three gray wolves (Canis Lupus), standing in the w...

Mouflon (Ovis aries musimon), A female mouflon stands at attention between trees in the forest,

BRK25E18_236

Mouflon (Ovis aries musimon), A female mouflon sta...

Emperor bearded tamarin (Saguinus imperator subgrisescens), adult, on tree, portrait, alert, South

BRK25E25_048

Emperor bearded tamarin (Saguinus imperator subgri...

Redshank, (Tringa totanus), stands attentively on a pasture fence, wildlife, animals, birds, snipe

BRK25E33_224

Redshank, (Tringa totanus), stands attentively on ...

Cougar (Felis concolor), adult, rocks, alert, vigilant, Monument Valley, Utah, USA, North America

BRK25E08_186

Cougar (Felis concolor), adult, rocks, alert, vigi...

Yellow-breasted Macaw (Ara ararauna), adult, in perch, pair, social behaviour, South America

BRK25E10_322

Yellow-breasted Macaw (Ara ararauna), adult, in pe...

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigilant, in summer, Wisdom, Šumava, Czech Republic,

BRK25E26_028

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigi...

Central European barn owl (Tyto alba guttata), adult, perch, in winter, Šumava, Czech Republic,

BRK25E27_211

Central European barn owl (Tyto alba guttata), adu...

Carpathian lynx (Lynx lynx carpathicus), adult, in winter, in snow, alert, Bavarian Forest,

BRK25E27_212

Carpathian lynx (Lynx lynx carpathicus), adult, in...

Golden eagle (Aquila chrysaetos) approaching its perch, Extremadura, Spain, Europe

BRK25E37_100

Golden eagle (Aquila chrysaetos) approaching its p...

Golden eagle (Aquila chrysaetos) on its perch, a tree stump, Extremadura, Spain, Europe

BRK25E37_101

Golden eagle (Aquila chrysaetos) on its perch, a t...

Light microscope detail

BRK25E02_362

Light microscope detail

Fresh violet garlic and orange onion on a blue rustic wooden background. Concept of contrast

BRK25E05_251

Fresh violet garlic and orange onion on a blue rus...

Great Blue Heron (Egretta caerulea), adult, in water, alert, foraging, Merritt Island, Black Point

BRK25E07_174

Great Blue Heron (Egretta caerulea), adult, in wat...

Vervet Monkey (Chlorocebus pygerythrus), adult, at the water, alert, Kruger National Park, Kruger

BRK25E08_466

Vervet Monkey (Chlorocebus pygerythrus), adult, at...

Yellow-breasted Macaw (Ara ararauna), adult, in perch, pair, social behaviour, South America

BRK25E22_491

Yellow-breasted Macaw (Ara ararauna), adult, in pe...

Eurasian Eagle-owl (Bubo bubo), adult, portrait, alert, in summer, wisdom, Šumava, Czech Republic,

BRK25E32_310

Eurasian Eagle-owl (Bubo bubo), adult, portrait, a...

Emperor bearded tamarin (Saguinus imperator subgrisescens), adult, on tree, portrait, alert, South

BRK25E14_364

Emperor bearded tamarin (Saguinus imperator subgri...

Beautiful multicolored iris flower bloom in the garden. Close up, fragility and summer concept

BRK25E16_398

Beautiful multicolored iris flower bloom in the ga...

European bee-eater (Merops apiaster), adult, perch, alert, Rhineland-Palatinate, Germany, Europe

BRK25E17_073

European bee-eater (Merops apiaster), adult, perch...

Gambel's quail (Callipepla gambelii), adult, male, alert, Sonoran Desert, Arizona, North America,

BRK25E18_190

Gambel's quail (Callipepla gambelii), adult, male,...

One yellow mongoose, Cynictis penicillata, or red meerkat walking over sandy terrain

BRK25E21_466

One yellow mongoose, Cynictis penicillata, or red ...

Two Japanese sika deer stags (Cervus nippon nippon) stand attentively in a meadow in hilly terrain

BRK25E26_452

Two Japanese sika deer stags (Cervus nippon nippon...

Frontal portrait of a serious young african man using mobile phone and headphones walking down

BRK25E32_433

Frontal portrait of a serious young african man us...

Potatoes stewed with meat, in tomato sauce, with spices and herbs, no people

BRK25E49_224

Potatoes stewed with meat, in tomato sauce, with s...

KI generated, animal, animals, bird, birds, biotope, habitat, perch, laughing han, kookaburra,

BRK25E01_161

KI generated, animal, animals, bird, birds, biotop...

Shepherd Golden Retriever crossbreed

BRK25E01_351

Shepherd Golden Retriever crossbreed

Wood stork (Mycteria americana), adult, pair, perch, St. Augustine, Florida, USA, North America

BRK25E08_184

Wood stork (Mycteria americana), adult, pair, perc...

Happy latin businesswoman working with laptop sitting in the city next to a financial building

BRK25E12_115

Happy latin businesswoman working with laptop sitt...

Eastern golden weaver (Ploceus subaureus), adult, male, auto-waiting, alert, Saint Lucia Estuary,

BRK25E28_411

Eastern golden weaver (Ploceus subaureus), adult, ...

Peregrine falcon (Falco peregrinus), adult, on tree, alert, in summer, Šumava, Czech Republic,

BRK25E31_232

Peregrine falcon (Falco peregrinus), adult, on tre...

Eurasian Eagle-owl (Bubo bubo), adult, juvenile, on the ground, alert, in summer, Wisdom, Šumava,

BRK25E32_311

Eurasian Eagle-owl (Bubo bubo), adult, juvenile, o...

Red-billed oxpecker (Buphagus erythrorhynchus), adult, at the water, drinking, alert, Kruger

BRK25E38_284

Red-billed oxpecker (Buphagus erythrorhynchus), ad...

Wild rabbit (Oryctolagus cuniculus), in a meadow, adult, alert, wildlife, mammal, Baltic Sea coast,

BRK25E45_351

Wild rabbit (Oryctolagus cuniculus), in a meadow, ...

Tiger nut (Suricata suricatta), adult, group, adult, juvenile, newborn, baby, social behaviour

BRK25E17_074

Tiger nut (Suricata suricatta), adult, group, adul...

Silver marmoset (Mico argentatus, Syn.: Callithrix argentata), silver marmoset, adult, tree trunk,

BRK25E20_215

Silver marmoset (Mico argentatus, Syn.: Callithrix...

Bullock's oriole bird close-up perched on a branch isolated on a white background

BRK25E37_099

Bullock's oriole bird close-up perched on a branch...

A mother helps her nine-year-old daughter roll a fish cake into a tube

BRK25E41_121

A mother helps her nine-year-old daughter roll a f...

Great Horned Owl (Aegolius funereus), Great Horned Owl, adult, juvenile, on tree, on guard,

BRK25E42_486

Great Horned Owl (Aegolius funereus), Great Horned...

Vervet Monkey (Chlorocebus pygerythrus), adult, at the water, alert, Kruger National Park, Kruger

BRK25E44_351

Vervet Monkey (Chlorocebus pygerythrus), adult, at...

Latin elegant businesswoman using mobile phone while working with laptop on remote sitting outdoors

BRK25E09_320

Latin elegant businesswoman using mobile phone whi...

Coppery titi (Plecturocebus cupreus, Syn.: Callicebus cupreus), three coppery titi, group, feeding,

BRK25E10_432

Coppery titi (Plecturocebus cupreus, Syn.: Callice...

Black-backed jackal (Lupulella mesomelas), adult, alert, stalking, foraging, Kruger National Park,

BRK25E30_008

Black-backed jackal (Lupulella mesomelas), adult, ...

Latin woman using phone while writing notes drinking coffee sitting on a tranquil terrace of a

BRK25E30_072

Latin woman using phone while writing notes drinki...

African male young entrepreneur using laptop sitting on a city terrace under the sun

BRK25E35_210

African male young entrepreneur using laptop sitti...

Peregrine falcon (Falco peregrinus), adult, on tree, alert, in summer, Šumava, Czech Republic,

BRK25E40_370

Peregrine falcon (Falco peregrinus), adult, on tre...

Black Kite (Milvus migrans), adult, alert, perch, Šumava, Czech Republic, Europe

BRK25E40_371

Black Kite (Milvus migrans), adult, alert, perch, ...

Eurasian Eagle-owl (Bubo bubo), adult, on the ground, resting, alert, in summer, Wisdom, Šumava,

BRK25E41_075

Eurasian Eagle-owl (Bubo bubo), adult, on the grou...

Beautiful orchids of different colors on green background in the garden. Lady's-slipper hybrids.

BRK25E47_129

Beautiful orchids of different colors on green bac...

Willow ptarmigan (Lagopus lagopus) attentive hen, Lofoten, Norway, Scandinavia, Europe

BRK25E11_335

Willow ptarmigan (Lagopus lagopus) attentive hen, ...

Yellow-breasted Macaw (Ara ararauna), adult, perch, pair, social behaviour, plumage care, South

BRK25E18_351

Yellow-breasted Macaw (Ara ararauna), adult, perch...

Yellow-breasted Macaw (Ara ararauna), adult, perch, pair, social behaviour, plumage care, South

BRK25E18_352

Yellow-breasted Macaw (Ara ararauna), adult, perch...

Modern latin businesswoman with long braids working using laptop standing outside a financial

BRK25E21_181

Modern latin businesswoman with long braids workin...

Black Kite (Milvus migrans), adult, alert, perch, Šumava, Czech Republic, Europe

BRK25E25_470

Black Kite (Milvus migrans), adult, alert, perch, ...

Eurasian Eagle-owl (Bubo bubo), adult, portrait, alert, in summer, wisdom, Šumava, Czech Republic,

BRK25E26_011

Eurasian Eagle-owl (Bubo bubo), adult, portrait, a...

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigilant, in summer, Wisdom, Šumava, Czech Republic,

BRK25E26_012

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigi...

Raven (Corvus corax), adult, in summer, perch, vigilant, Šumava, Czech Republic, Europe

BRK25E26_483

Raven (Corvus corax), adult, in summer, perch, vig...

Side view portrait of a successful latin businesswoman working with laptop sitting on city bench

BRK25E32_431

Side view portrait of a successful latin businessw...

Beautiful little plant, succulent in a small flower pot. on the wooden background

BRK25E05_260

Beautiful little plant, succulent in a small flowe...

Latin businesswoman smiling at camera while sitting on city bench working with laptop

BRK25E23_296

Latin businesswoman smiling at camera while sittin...

Smiling female student taking notes in class at university, fully engaged in learning and focused

BRK25E24_035

Smiling female student taking notes in class at un...

Eurasian brown bear (Ursus arctos arctos), half-grown young, alert, meadow, in summer, Bavarian

BRK25E31_233

Eurasian brown bear (Ursus arctos arctos), half-gr...

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigilant, in summer, Wisdom, Šumava, Czech Republic,

BRK25E40_470

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigi...

White-bearded snub-nosed monkey (Colobus polykomos), adult, sitting, on tree, foraging, alert

BRK25E20_036

White-bearded snub-nosed monkey (Colobus polykomos...

Peregrine falcon (Falco peregrinus), adult, on tree, alert, in summer, Šumava, Czech Republic,

BRK25E25_469

Peregrine falcon (Falco peregrinus), adult, on tre...

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigilant, in summer, Wisdom, Šumava, Czech Republic,

BRK25E26_492

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigi...

Black Kite (Milvus migrans), adult, alert, perch, Šumava, Czech Republic, Europe

BRK25E27_008

Black Kite (Milvus migrans), adult, alert, perch, ...

Two Japanese sika deer stags (Cervus nippon nippon) stand attentively in a meadow in hilly terrain

BRK25E37_157

Two Japanese sika deer stags (Cervus nippon nippon...

Snowy owl (Nyctea scandiaca), snowy owl, adult, alert, in the snow, foraging, in winter, Bohemian

BRK25E42_205

Snowy owl (Nyctea scandiaca), snowy owl, adult, al...

Pied kingfisher (Ceryle rudis), adult, aut Warte, alert, Saint Lucia Estuary, Isimangaliso Wetland

BRK25E44_071

Pied kingfisher (Ceryle rudis), adult, aut Warte, ...

Wild rabbit (Oryctolagus cuniculus), in a meadow, adult, alert, wildlife, mammal, Baltic Sea coast,

BRK25E44_293

Wild rabbit (Oryctolagus cuniculus), in a meadow, ...

Mid-adult woman meditating on her sofa at home, with natural daylight and palms pressed together at

BRK25E01_184

Mid-adult woman meditating on her sofa at home, wi...

Coppery titi (Plecturocebus cupreus, Syn.: Callicebus cupreus), three coppery titi, group, feeding,

BRK25E06_249

Coppery titi (Plecturocebus cupreus, Syn.: Callice...

Coppery titi (Plecturocebus cupreus, Syn.: Callicebus cupreus), three coppery titi, group, feeding,

BRK25E08_246

Coppery titi (Plecturocebus cupreus, Syn.: Callice...

Yellow wagtail (Motacilla flava), male sitting on a thin blade of grass, singing station, Lake

BRK25E10_208

Yellow wagtail (Motacilla flava), male sitting on ...

One yellow mongoose, Cynictis penicillata, or red meerkat resting on sand, eyes open

BRK25E19_076

One yellow mongoose, Cynictis penicillata, or red ...

Eurasian Eagle-owl (Bubo bubo), adult, on the ground, alert, in summer, Wisdom, Šumava, Czech

BRK25E26_088

Eurasian Eagle-owl (Bubo bubo), adult, on the grou...

Raven (Corvus corax), adult, in summer, perch, vigilant, Šumava, Czech Republic, Europe

BRK25E27_442

Raven (Corvus corax), adult, in summer, perch, vig...

Two Japanese sika deer stags (Cervus nippon nippon) stand attentively in a meadow in hilly terrain

BRK25E18_006

Two Japanese sika deer stags (Cervus nippon nippon...

Great Horned Owl (Aegolius funereus), Great Horned Owl, adult, juvenile, on tree, on guard,

BRK25E25_493

Great Horned Owl (Aegolius funereus), Great Horned...

Peregrine falcon (Falco peregrinus), adult, on tree, alert, in summer, Šumava, Czech Republic,

BRK25E27_023

Peregrine falcon (Falco peregrinus), adult, on tre...

Barn owl (Tyto alba), adult, watchful, on guard, in summer, Šumava, Czech Republic, Europe

BRK25E38_437

Barn owl (Tyto alba), adult, watchful, on guard, i...

Black Kite (Milvus migrans), adult, alert, perch, Šumava, Czech Republic, Europe

BRK25E38_439

Black Kite (Milvus migrans), adult, alert, perch, ...

Circular black alarm clock against gray background

BRK25E02_258

Circular black alarm clock against gray background

Common whitethroat (Sylvia communis), on a perch, Lake Neusiedl National Park, Burgenland,

BRK25E03_225

Common whitethroat (Sylvia communis), on a perch, ...

Fresh violet garlic on a blue rustic wooden background with copy space

BRK25E05_497

Fresh violet garlic on a blue rustic wooden backgr...

A gray wolf (Canis Lupus), standing in autumn forest surrounded by trees and foliage, attentively

BRK25E15_269

A gray wolf (Canis Lupus), standing in autumn fore...

Black Kite (Milvus migrans), adult, alert, perch, Šumava, Czech Republic, Europe

BRK25E25_390

Black Kite (Milvus migrans), adult, alert, perch, ...

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigilant, in summer, Wisdom, Šumava, Czech Republic,

BRK25E26_164

Eurasian Eagle-owl (Bubo bubo), adult, perch, vigi...

White-tailed wildebeest (Connochaetes gnou), adult, alert, Mountain Zebra National Park, Eastern

BRK25E28_398

White-tailed wildebeest (Connochaetes gnou), adult...

Yellow and green variegated hosta in spring shady garden

BRK25E29_213

Yellow and green variegated hosta in spring shady ...

Migrant latin confident woman standing with arms crossed smiling at camera in a financial district

BRK25E35_053

Migrant latin confident woman standing with arms c...

Curious child having fun with a wooden ball rolling down a track in a playground, learning about

BRK25E40_439

Curious child having fun with a wooden ball rollin...

Fresh yellow fruits and onions on a blue rustic wooden background. Concept of contrast

BRK25E41_095

Fresh yellow fruits and onions on a blue rustic wo...

Close up construction engineer writing

BRK25E02_288

Close up construction engineer writing

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