Laurent Geslin / White stork (Ciconia ciconia) on street light at night, Strasbourg, France. April.

Laurent Geslin / White storks (Ciconia ciconia) pair on nest silhouetted against full moon, Strasbourg, France. April.

Laurent Geslin / Rock doves (Columba livia) with construction cranes behind, Strasbourg, France, April.

Laurent Geslin / Rock doves (Columba livia) with construction cranes behind, Strasbourg, France, April.

Laurent Geslin / Copyu (Mycocastor coypus) with Rock doves (Columba livia) and people behind. Strasbourg, France, November.

Laurent Geslin / Feral pigeons (Columba livia) next to Cathedral, Strasbourg, France, November.

Laurent Geslin / Rock doves (Columba livia) with construction cranes behind, Strasbourg, France, April.

Laurent Geslin / Rock dove (Columba livia) in city with busker playing saxophone, Strasbourg, France, November.

Laurent Geslin / Rook (Corvus frugilegus) perched, Strasbourg, France. May 2014.

Laurent Geslin / Mute swan (Cygnus olor) next to road in mist Strasbourg, France, December

Laurent Geslin / Mute swan (Cygnus olor) in mist with flats and cars on road, Strasbourg, France, December

Laurent Geslin / Robin (Erithacus rubecula) Strasbourg, France.