Martin Grimm/ BIA / Eurasian Kestrel (Falco tinnunculus) male flying, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Rose-ringed Parakeet (Psittacula krameri), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Gray-bellied Squirrel (Callosciurus caniceps), Kaeng Krachan National Park, Thailand

Martin Grimm/ BIA / Pallas's Bunting (Emberiza pallasi) male, Mongolia

Martin Grimm/ BIA / Carrion Crow (Corvus corone) flying, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Dwarf Mongoose (Helogale parvula) pair play-fighting, Serengeti National Park, Tanzania

Martin Grimm/ BIA / White Stork (Ciconia ciconia) parent with chick in nest, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Mute Swan (Cygnus olor), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Common Starling (Sturnus vulgaris) flock flying, murmuration, Rhineland-Palatinate, Germany

Martin Grimm/ BIA / Barn Swallow (Hirundo rustica) flying over water, Hesse, Germany

Martin Grimm/ BIA / Pallid Swift (Apus pallidus) flying, Zadar, Croatia

Martin Grimm/ BIA / European Robin (Erithacus rubecula), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Zanzibar Red Colobus (Procolobus kirkii) calling, Jozani Chwaka Bay National Park, Zanzibar, Tanzania

Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Brown-breasted Hedgehog (Erinaceus europaeus) in backyard, Brandenburg, Germany

Martin Grimm/ BIA / Red-headed Trogon (Harpactes erythrocephalus) male, Kaeng Krachan National Park, Thailand

Martin Grimm/ BIA / Kalij Pheasant (Lophura leucomelanos) male, Kaeng Krachan National Park, Thailand

Martin Grimm/ BIA / Common Swift (Apus apus) flying, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Eurasian Kestrel (Falco tinnunculus) landing, Rhineland-Palatinate, Germany

Martin Grimm/ BIA / Bearded Tit (Panurus biarmicus) male, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Common Sunflower (Helianthus annuus) and Cornflower (Centaurea cyanus) field, Hesse, Germany

Martin Grimm/ BIA / Common Sunflower (Helianthus annuus) and Cornflower (Centaurea cyanus) field, Hesse, Germany

Martin Grimm/ BIA / Fly Agaric (Amanita muscaria) mushrooms in autumn, Hesse, Germany

Martin Grimm/ BIA / Red-breasted Merganser (Mergus serrator) male taking flight, Mecklenburg-Vorpommern, Germany

Martin Grimm/ BIA / Asian Elephant (Elephas maximus) male crossing road, Khao Yai National Park, Thailand

Martin Grimm/ BIA / Hippopotamus (Hippopotamus amphibius) bellowing in defensive display, Serengeti National Park, Tanzania

Martin Grimm/ BIA / Hippopotamus (Hippopotamus amphibius) calf and mother sleeping, Serengeti National Park, Tanzania

Martin Grimm/ BIA / Fjord Horse (Equus caballus), Hesse, Germany

Martin Grimm/ BIA / Total lunar eclipse of supermoon, North Sea, Germany

Martin Grimm/ BIA / Total lunar eclipse of supermoon, North Sea, Germany

Martin Grimm/ BIA / Leopard Lacewing (Cethosia cyane) and Common Grass Yellow (Eurema hecabe) butterflies feeding at mineral lick, Kaeng Krachan National Park, Thailand

Martin Grimm/ BIA / Eurasian Black Vulture (Aegypius monachus) nest on mountain slope, Mongolia

Martin Grimm/ BIA / Garden Dormouse (Eliomys quercinus), Spain

Martin Grimm/ BIA / Ural Owl (Strix uralensis) flying, Lake Hovsgol, Mongolia

Martin Grimm/ BIA / Grey Wagtail (Motacilla cinerea) held during banding, Lake Hovsgol, Mongolia

Martin Grimm/ BIA / Rook (Corvus frugilegus), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Gray-bellied Squirrel (Callosciurus caniceps), Kaeng Krachan National Park, Thailand

Martin Grimm/ BIA / Blue Tit (Cyanistes caeruleus) at nest cavity, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Dwarf Mongoose (Helogale parvula) pair play-fighting, Serengeti National Park, Tanzania

Martin Grimm/ BIA / Eurasian Siskin (Carduelis spinus) female feeding on seeds, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Common Starling (Sturnus vulgaris) flock flying, Brandenburg, Germany

Martin Grimm/ BIA / Saker Falcon (Falco cherrug) sub-adult male flying, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Black Scoter (Melanitta nigra) male and female flying, Mecklenburg-Vorpommern, Germany

Martin Grimm/ BIA / Black Scoter (Melanitta nigra) male flapping, Mecklenburg-Vorpommern, Germany

Martin Grimm/ BIA / Black Scoter (Melanitta nigra) male, Mecklenburg-Vorpommern, Germany

Martin Grimm/ BIA / European Robin (Erithacus rubecula) pulling on earthworm prey, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / European Robin (Erithacus rubecula), Baden-Wurttemberg, Germany