 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary resin bee (Heriades crenulatus) in flight bringing resin to its nest in a hollow reed stalk for creating the petitions of its egg cell walls.
 Solitary resin bee (Heriades crenulatus) bringing resin to its nest in a hollow reed stalk for creating the petitions of its egg cell walls. Entering
 Solitary resin bee (Heriades crenulatus) bringing resin to its nest in a hollow reed stalk for creating the petitions of its egg cell walls. Entering
 Solitary resin bee (Heriades crenulatus) bringing pollen of aster flowers (Asteraceae) to its nest. In flight approaching a hollow reed stalk.
 Solitary resin bee (Heriades crenulatus) bringing pollen of aster flowers (Asteraceae) to its nest in a hollow reed stalk. Entering an insect hotel.
 Solitary resin bee (Heriades crenulatus) bringing pollen of aster flowers (Asteraceae) to its nest in a hollow reed stalk. Entering an insect hotel.
 Solitary resin bee (Heriades crenulatus) bringing pollen of aster flowers (Asteraceae) to its nest in a hollow reed stalk. Entering an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Solitary Resin bee (Heriades crenulatus) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Crabronidae solitary wasp (Psenulus fuscipennis) looking out of and leaving its nest in a hollow reed stalk in an insect hotel.
 Crabronidae solitary wasp (Psenulus fuscipennis) bringing aphids to its nest in a hollow reed stalk. in flight with prey, approaching an insect hotel.
 Crabronidae solitary wasp (Psenulus fuscipennis) bringing aphids to its nest in a hollow reed stalk. in flight with prey, approaching an insect hotel.
 Crabronidae solitary wasp (Psenulus fuscipennis) bringing aphids to its nest in a hollow reed stalk. Entering an insect hotel with prey.
 Crabronidae solitary wasp (Psenulus fuscipennis) bringing aphids to its nest in a hollow reed stalk. Entering an insect hotel with prey.
 Solitary spider wasp (Auplopus carbonarius) stealing small pellets of mud from an existing nest seal of the mason bee osmia cornuta.
 Solitary spider wasp (Auplopus carbonarius) stealing small pellets of mud from an existing nest seal of the mason bee osmia cornuta.
 Solitary spider wasp (Auplopus carbonarius) stealing small pellets of mud from an existing nest seal of the mason bee osmia cornuta.
 Panoramic view over wooded mountains and the Seckauer Alps.
 Panoramic view over the Styrian Murtal and the surrounding mountains. F1 and MotoGP race track in Spielberg from above.
 Panoramic view over the Styrian Murtal and the surrounding mountains. F1 and MotoGP race track in Spielberg from above.
 View of Seckau and the Seckauer Alps. Steiermark, Austria.
 Mountains with coniferous forest and natural regeneration.
 Sunset over high limestone alps. Gesaeuse National Park, Steiermark, Austria.
 After sunset the haze clouds the view over the mountains at the end of a hot sunny day. Gesaeuse National Park, Steiermark, Austria.
 Impressive mountain range panorama. Early morning in the Styrian limestone Alps. The picturesque clouds are brightly lit by the rising sun.
 Impressive mountain range panorama. Early morning in the Styrian limestone Alps. The picturesque clouds are brightly lit by the rising sun.
 Early morning in the Styrian limestone Alps. A person is looking at the rising sun. National park Gesaeuse, Steiermark, Austria.
 Early morning in the Styrian limestone Alps. The clouds are brightly lit by the rising sun. National park Gesaeuse, Steiermark, Austria.
 Early morning in the Styrian limestone Alps. The clouds are brightly lit by the rising sun. National park Gesaeuse, Steiermark, Austria.
 On top of the Tamischbachturm, a high mountain of the Styrian limestone alps. Gesaeuse National Park, Steiermark, Austria.
 On top of the Tamischbachturm, a high mountain of the Styrian limestone alps. Gesaeuse National Park, Steiermark, Austria.
 On top of the Tamischbachturm, a high mountain of the Styrian limestone alps. Gesaeuse National Park, Steiermark, Austria.
 Lugauer peak of the Styrian limestone alps, with clouds of vertical development, cumulonimbus heap clouds, which start to form a thunderstorm.
 Hiker climbing up a steep mountain trail in between creeping pine (Pinus mugo). National park Gesaeuse, Austria.
 View from Tamischbachturm down to Hieflau and the reservoir of a water power plant. Gesaeuse National Park, Steiermark, Austria.
 A cloudburst over a lake with reedbelt. Neusiedlersee, Burgenland, Austria.
 A cloudburst over a lake with reedbelt. Neusiedlersee, Burgenland, Austria.
 Severe storm damage after a thunderstorm in a coniferous forest. Panoramic view within the forest stock.
 Timber harvesting with a skyline crane and manipulator in a mixed forest in the Styrian foothills of the limestone alps under sunny skies in summer.
 Timber harvesting with a skyline crane and manipulator in a mixed forest in the Styrian foothills of the limestone alps under sunny skies in summer.
 Timber harvesting with a skyline crane and manipulator in a mixed forest in the Styrian foothills of the limestone alps under sunny skies in summer.
 Sailplane, a glider designed for sustained flight, seen from below, up in the air in front of a cloud.
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Common frog (Rana temporaria)
 Large Wall Brown (Lasiommata maera) butterfly
 Large Wall Brown (Lasiommata maera) butterfly
 Two forest rangers during an on-site inspection after a severe thunderstorm that caused windfalls and windbreaks in a mountainous coniferous forest.
 A road barrier for forestry work.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Windthrow, windfalls and windbreaks of trees in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 Typical mountainous mixed forest in Steiermark, Austria.
 Windthrow, windfalls of trees blocking a road in a mountainous coniferous forest after a severe thunderstorm. Steiermark, Austria.
 A horizontal cloud-to-cloud lightning in a heavy thunderstorm at night over a mountainous forest in Austria.
 A heavy thunderstorm passes over the small Styrian mountain village Kleinfeistritz in Austria.
 A heavy thunderstorm passes over the small Styrian mountain village Kleinfeistritz in Austria.
 A heavy thunderstorm passes over the small Styrian mountain village Kleinfeistritz in Austria.
 A heavy thunderstorm passes over the small Styrian mountain village Kleinfeistritz in Austria.
 Painted lady (Vanessa cardui) aka cosmopolitan, resting on ox-eye daisy (Leucanthemum vulgare).
 Painted lady (Vanessa cardui) aka cosmopolitan, resting on a bellflower (Campanula sp.) after the eclosion and assembling the proboscis.
 Painted lady (Vanessa cardui) aka cosmopolitan, sitting trustingly on a child's hand.
 Painted lady (Vanessa cardui) aka cosmopolitan, sitting trustingly on a child's hand.
 Painted lady (Vanessa cardui) aka cosmopolitan, sitting trustingly on a child's hand.
 Painted lady (Vanessa cardui) aka cosmopolitan, sitting trustingly on a child's hand.
 Painted lady (Vanessa cardui) aka cosmopolitan, sitting trustingly on a child's hand.
 Painted lady (Vanessa cardui) aka cosmopolitan on red clover (Trifolium pratense)
 Painted lady (Vanessa cardui) aka cosmopolitan on red clover (Trifolium pratense)
 Lichen on a spruce in a mountain coniferous forest.
 Crabronidae solitary wasp (Trypoxylon figulus) female depositing a spider into its nest (cavity) as food for the growing larva and then closes it.
 Crabronidae solitary wasp (Trypoxylon figulus) female depositing a spider into its nest (cavity) as food for the growing larva and then closes it.
 Crabronidae solitary wasp (Trypoxylon figulus) female depositing a spider into its nest (cavity) as food for the growing larva and then closes it.
 Crabronidae solitary wasp (Trypoxylon figulus) female depositing a spider into its nest (cavity) as food for the growing larva and then closes it.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, bringing pollen of bell flowers (Campanula) to its tubular cavity
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, bringing pollen of bell flowers (Campanula) to its tubular cavity
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Osmia rapunculi, synonym Chelostoma rapunculi, female, a solitary mason bee species, locking its tubular cavity with loam and small stones.
 Sphecoid wasps (Pemphredon sp., a solitary wasp species) mating. The useful animals build their nests in decayed wood feeding the young on aphids.
 Sphecoid wasps (Pemphredon sp., a solitary wasp species) mating. The useful animals build their nests in decayed wood feeding the young on aphids.
 Woman and little child have a walk on a meadow in autumn. They turned their back and go off into the distance.
 Baroque church seen from an autumnal vineyard in the suburbs of Vienna, Austria.
 Autumnal vineyard in Vienna, Austria.
 Autumnal vineyard in Vienna, Austria.
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