Black alder (Alnus glutinosa) carr swamp forest edge in early spring, Biebrza National Park, Podlaskie, Poland.

Eder River with icy Alder trees, Guxhagen, North Hesse, Germany, Europe

Alder Bracket (Inonotus radiatus) on the trunk of a beech, Gelderland, Netherlands, Europe

Alder carr, Jasmund National Park, Ruegen, Mecklenburg-Western Pomerania, Germany, Europe

Starlings (Sturnus vulgaris), flock on black alder (Alnus glutinosa), backlight in front of setting sun, Duemmerniederung, Lower Saxony, Germany, Europe

Sunset above donau river with common alder (Alnus glutinosa) trees, Upper Palatinate, Bavaria, Germany, Europe