Marsh TitPoecile palustris出会える場所と時期

The Marsh Tit is a small, understated woodland bird rather than a specialist of open marsh water. Brown upperparts, pale cheeks and a black cap can make it look straightforward until the very similar Willow Tit is considered. Its scolding call is often more useful than a fleeting view. BTO gives a reference mass of 10.7 grams and highlights a substantial British decline, placing the species on the UK Red List; that national category should not be presented as its global conservation status. The cruise-linked occurrence is on the lower Saône, along the Grand Lyon Rives de Saône promenade between Rochetaillée, Fontaines and Lyon. The municipal biodiversity guide lists Marsh Tit there. This is an opportunity for patient shore observation among wooded banks, not a dependable open-water sighting. Source: https://www.bto.org/learn/about-birds/birdfacts/marsh-tit

Size

Body length not verified.

Weight

10.7 g reference value; BTO BirdFacts.

Lifespan

Species-specific lifespan not verified.

Status

UK Red-listed according to BTO; a current global assessment was not verified.

BTO describes Marsh Tits mainly as single birds or pairs, with adults remaining on or close to their territories through the year. That differs from the conspicuous roving family parties of Long-Tailed Tits, although different small birds may use the same wooded corridor. The sharp 'pitchuu' call can draw attention to an otherwise inconspicuous bird. Natural holes are used for nesting, and nest boxes can also be accepted. Young birds disperse away from their parents' territory, but BTO's distances should not be turned into a map of local Saône movements. Watch an individual as it changes perches and listen before deciding on identity. Repeated visits to a cavity are sensitive behaviour: stand well back and do not inspect the hole or linger directly below it.

• Despite its name, it favours mature woodland.
• Adults often remain near their territories.
• Singles and pairs are typical in BTO’s account.
• It uses natural holes for nesting.
• Nest boxes may also be accepted.
• Its scolding call helps identification.
• Willow Tit is a close visual lookalike.

Adults remaining near territories year-round is a species-level statement from BTO's British account. It does not establish continuous monthly occurrence on the Rochetaillée–Fontaines–Lyon promenade. The Grand Lyon biodiversity guide confirms inclusion in the local bird community but supplies no species-specific recurring month range. The location months array therefore remains empty. Timing a visit around quiet conditions and access to wooded sections is more defensible than promising a seasonal peak that was not documented. Leaf cover can change the practical difficulty of seeing small birds, but that observational issue must not be converted into an occurrence calendar. If a local guide reports a recent Marsh Tit, use that information to choose a respectful viewpoint while keeping the longer-term seasonal claim unverified.

Mature deciduous woodland with some understorey is the habitat emphasised by BTO. The species' English name can mislead visitors into searching reeds rather than the wooded bank. Along the registered Saône reach, older trees and lower vegetation are the relevant elements to inspect from the promenade. Grand Lyon's occurrence list does not specify territories, tree species or abundance at individual stops, so it cannot justify directing visitors to one nesting tree. Woodland continuity and structure matter more to this profile than the width of the river beside it. An urban stretch with scattered ornamental trees may differ from a more layered bank, even within the same walking route. Keep the claim geographically confined to the lower-Saône project rather than extending it to all waterside woodland in France.

The retrieved BTO introduction describes foraging within woodland understorey but does not supply a full diet account. A species-specific prey list, seasonal food proportions and measurements from the lower Saône were not verified. This profile therefore avoids giving a supposedly local menu or assigning every bill movement to a particular food. A small item carried from one perch to another may not be identifiable from a public path, and the bird's identity should be established before drawing conclusions about its feeding. Its association with mature woodland provides a useful ecological context without requiring unsupported dietary precision. Do not introduce food to attract a bird for comparison with Willow Tit. Natural movements and calls are better evidence, and baiting near public paths can create unnecessary concentrations or disturbance.

Common name

Marsh Tit

Scientific name

Poecile palustris

Animal group

Birds

Size

Body length not verified.

Weight

10.7 g reference value; BTO BirdFacts.

Lifespan

Species-specific lifespan not verified.

Status

UK Red-listed according to BTO; a current global assessment was not verified.

Identification

The RSPB describes a mainly brown bird with a glossy black cap, dark bib and pale belly. The overall resemblance to Willow Tit is close enough that cap shine or bib shape should not be treated as infallible single features. Lighting can change the apparent gloss, and a moving bird may never offer a useful comparison. BTO emphasises the characteristic scolding 'pitchuu' call and the need for care in field identification. Look at the complete head pattern, body tones and wing while listening for repeated natural calls. The combination is stronger than any one fleeting feature. A riverbank setting does not settle the identification because similar-looking woodland birds can occur near water too. Seek confirmation from a local bird specialist when photographs or sound are inconclusive.