The Bearded Reedling is a small, long-tailed reedbed bird whose alternative English name, Bearded Tit, is misleading. The RSPB explains that it is not a true tit and belongs to its own family. Adult males carry conspicuous black facial markings that resemble moustaches more than a beard. Its specialised association with dense reeds makes habitat more informative than a broad river name when planning an observation. The River registry places it in the Lower Seine protected landscape, Estuaire et marais de la Basse-Seine, toward the Rouen–Honfleur sector. The supporting regional document concerns birds of reedbeds and freshwater habitats and names Panure à moustaches, Panurus biarmicus. That supports the estuarine wetland context, not a precise station along the navigation channel. A suitable shore excursion is therefore a more realistic prospect than expecting the species to be identifiable from an ordinary cruise deck.

Seine
Lower Seine ZPS Estuaire et marais de la Basse-Seine: reedbeds and freshwater marshes toward the estuary, Rouen–Honfleur sector. A shore excursion is required; no precise main-channel station is established.

Black-Headed Gull
Bluethroat