Marsh Tit Poecile palustris   [Linnaeus, 1758]

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Order: Passeriformes Family: Paridae
BTO Codes: MT, MARTI EURING No: 14400
Number in Britain: 41 thousand Territories (Summer)
Conservation Status:
UK: RED
European: 3 Concern, most not in Europe; Declining
Global: (Details)
Status in UK: (A)  Resident Breeder
Subspecies: dresseri recorded in Britain (of 10 subsp. in the world)
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Length: 12 cm Wingspan: 19 cm Weight: M/F: 12 g    
Scientific name from: Gr.: poikolos=spotted and L.: palus=a marsh
World Distribution: Locally in Europe, Asia
Habitat: Mixed woodland, towns
Diet: Summer, insects, spiders, winter, also seeds, nuts, berries; food cached over winter
Identification Tips:
  Images from IBC or search flickr
  Videos from IBC
  Sound from xeno-canto
Crossley ID photos BTO ID Workshop

Population and Distribution

Population Trend: BirdTrends   
Regional Trends: England   English Regions
Distribution: Atlas Mapstore    BBS Maps
British Population Size:
    Summer: 41 thousand Territories in 2009
    First Record: 1678
    Latest Survey: Musgrove, A. et al. (2013) British Birds 106:64-100
    Conservation Status: RED because Recent Breeding Population Decline (1969-2007),
   Previous Assessments: 2002-2007 RED     1996-2001 AMBER  
   Races of Concern: dresseri RED (Recent Decline)
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Deciduous Wood
Relative Frequency in Each Habitat:
European Population Size:
    Summer: 2.9 to 5.4 million pairs
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of: Bern(III), NERC (41)
Survey Results: Results from BirdTrack
Results from Garden BirdWatch

Breeding and Survival

Egg Size: 16 x 12 mm Egg Weight: 1.2 g (of which 6 % is shell)
Number of Nest Records: 37   (more would be welcome!)
Clutch Size: 7 - 9 eggs 7.77 ± 1.45 (2 - 11) N = 452
Incubation: 14- 16 days 14.64 ± 1.54 (12 - 17) N = 452   by the: Female
Fledging: 18 - 21days 19.14 ± 2.12 (15 - 22.5) N = 707 as: Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 20 Apr (9 Apr - 6 May)
Number of Broods: 1(2)
See trends in Breeding Productivity
Number Ringed: Annual Totals
Adult Survival: 0.470 ± 0.060       
Juvenile Survival: 0.190 (in First-Year)  
Age at First Breeding: 1 year Typical Lifespan: 2 years
Maximum Recorded Age: 10 years 1 months 26 days (set in 1994)
Read a summary of Ringing Recoveries

Biometrics

Ring Size: A
Wing Length Adult: 62.4 ± 1.9 Range 59.5 - 65 mm, N =1211
Juvenile: 62.1 ± 1.8 59 - 65 mm, N =1417
Male: 63.3 ± 2.0 60 - 66 mm, N =92
Female: 61.5 ± 1.6 59 - 64 mm, N =139
Weight Adult: 10.70 ± 0.67 Range 9.60 - 11.80 g , N =991
Juvenile: 10.59 ± 0.66 9.50 - 11.70 g , N =1230
Male: 10.75 ± 0.61 9.70 - 11.60 g , N =86
Female: 10.66 ± 0.84 9.50 - 12.10 g , N =122
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

Previously Parus palustris 
Gaelic: Cailleachag-lòin Welsh: Titw'r Wern
Danish: Sumpmejse Dutch: Glanskop
Finnish: Viitatiainen French: Mésange nonnette
German: Sumpfmeise Hungarian: Barátcinege
Icelandic: Laufmeisa Irish: Meantán Lathaí
Italian: Cincia bigia Norwegian: Løvmeis
Polish: Sikora uboga Portuguese: Chapim-palustre
Spanish: Carbonero palustre Swedish: Entita

For More Information...

Books and Monographs:
   Perrins, C. 1979 British tits Collins, London [598.922 PER]
See Also:
Find scientific papers on Google Scholar or Scirus by clicking the icon
Wikipedia entry
HBW account (subscription required)
BirdLife species page
Recent sightings and information from BirdGuides