Willi Rolfes/ BIA / Brown Bear (Ursus arctos) male in meadow, Finland

Willi Rolfes/ BIA / Dandelion (Taraxacum officinale) seedhead, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus) pack, Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent feeding with begging young, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent with young feeding, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent with young feeding, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) feeding on flowers, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Pink Lady Slipper Orchid (Cypripedium calceolus) flowers, Lower Saxony, Germany

Willi Rolfes/ BIA / Greylag Goose (Anser anser) chick, Lower Saxony, Germany

Willi Rolfes/ BIA / Greylag Goose (Anser anser) chick, Lower Saxony, Germany

Willi Rolfes/ BIA / Scotch Pine (Pinus sylvestris) tree at night with Milky Way, Lower Saxony, Germany

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) mother with cubs, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) male in meadow, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) male in meadow, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) scratching tree in meadow, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) male in meadow, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) cubs, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) mother with cub, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) extending tongue, Finland

Willi Rolfes/ BIA / Brown Bear (Ursus arctos) climbing tree, Finland

Willi Rolfes/ BIA / Forest in autumn, Teutoburg Forest, Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus) snarling, Lower Saxony, Germany

Willi Rolfes/ BIA / Alpine Ibex (Capra ibex) male, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Ibex (Capra ibex) male running, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Ibex (Capra ibex) male, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Ibex (Capra ibex) male, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) pair fighting, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) alarm calling, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Red Deer (Cervus elaphus) stag near herd, Denmark

Willi Rolfes/ BIA / Red Deer (Cervus elaphus) stag running, Denmark

Willi Rolfes/ BIA / Red Deer (Cervus elaphus) stag calling next to female, Denmark

Willi Rolfes/ BIA / Greylag Goose (Anser anser) gosling spreading wings, Lower Saxony, Germany

Willi Rolfes/ BIA / Greylag Goose (Anser anser) gosling, Lower Saxony, Germany

Willi Rolfes/ BIA / Eurasian Eagle-Owl (Bubo bubo) chicks, Lower Saxony, Germany

Willi Rolfes/ BIA / White Stork (Ciconia ciconia) pair mating, Lower Saxony, Germany

Willi Rolfes/ BIA / Greylag Goose (Anser anser) flying, Lower Saxony, Germany

Willi Rolfes/ BIA / Eurasian Eagle-Owl (Bubo bubo) chick, Lower Saxony, Germany

Willi Rolfes/ BIA / Ring-necked Pheasant (Phasianus colchicus) male, Lower Saxony, Germany

Willi Rolfes/ BIA / Great Crested Grebe (Podiceps cristatus) on nest, Lower Saxony, Germany

Willi Rolfes/ BIA / Eurasian Eagle-Owl (Bubo bubo) chick in defensive posture, Lower Saxony, Germany

Willi Rolfes/ BIA / Common Crane (Grus grus) flock flying in front of moon, Mecklenburg-Vorpommern, Germany

Willi Rolfes/ BIA / Northern Goshawk (Accipiter gentilis) juvenile, Lower Saxony, Germany

Willi Rolfes/ BIA / Wave breaking on shore, Ruegen Island, Mecklenburg-Vorpommern, Germany