Ingo Arndt / Arctic Tern (Sterna paradisaea) pair fighting, Germany

Ingo Arndt / Photographer Ingo Arndt taking pictures of river delta from helicopter, Iceland

Ingo Arndt / Common Starling (Sturnus vulgaris) eggs in nest cavity, Hessen, Germany

Ingo Arndt / European Robin (Erithacus rubecula), Hessen, Germany

Ingo Arndt / Western Roe Deer (Capreolus capreolus) hunter using drone to search for fawns to protect them from being killed by tractor mower, Hessen, Germany

Ingo Arndt / Red and Green Macaw (Ara chloroptera) pair flying, Brazil

Ingo Arndt / Common Starling (Sturnus vulgaris) parent bringing food to chick at nest cavity, Hessen, Germany

Ingo Arndt / Common Seal (Phoca vitulina) group on sand bank at low tide, Wadden Sea National Park, North Sea, Schleswig-Holstein, Germany

Roland Seitre / Blue-banded Toucanet (Aulacorhynchus coeruleicinctis) calling, native to South America

Roland Seitre / Somali Ostrich (Struthio camelus molybdophanes), Djibouti

Roland Seitre / Red-capped Manakin (Pipra mentalis) calling, native to Americas

Roland Seitre / White-necked Jacobin (Florisuga mellivora) hummingbird female, native to Americas