Long-tailed Tit Aegithalos caudatus   [Linnaeus, 1758]

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Order: Passeriformes Family: Aegithalidae
BTO Codes: LT, LOTTI EURING No: 14370
Number in Britain: 330 thousand Territories (Summer)
Conservation Status:
UK: GREEN
European: Not a species of concern
Global: (Details)
Status in UK: (A)  Resident Breeder
Subspecies: rosaceus (R), caudatus (V) recorded in Britain (of 19 subsp. in the world)
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Length: 14 cm Wingspan: 18 cm Weight: M/F: 9 g    
Scientific name from: Gr.: aigithalos=a tit and L.: cauda=tail
World Distribution: Eurasia
Habitat: Woodland, woodland edge
Diet: Mostly arthropods, esp bugs and eggs, larvae of butterflies/moths
Identification Tips:
  Images from IBC or search flickr
  Videos from IBC
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Crossley ID photos

Population and Distribution

Population Trend: BirdTrends   
Regional Trends: Wales   England   English Regions
Distribution: Atlas Mapstore    BBS Maps
British Population Size:
    Summer: 330 thousand Territories in 2009
    First Record: Recorded in Anglo-Saxon times [Fossil evidence from Devensian (last) glaciation, 10-120,000 yr ago]
    Latest Survey: Musgrove, A. et al. (2013) British Birds 106:64-100
    Conservation Status: GREEN
   Previous Assessments: 2002-2007 GREEN     1996-2001 GREEN  
   Races of Concern: rosaceus AMBER (Important Population)
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Deciduous Wood
    Also common in: Scrub
    And found in: Villages, Towns
Relative Frequency in Each Habitat:
European Population Size:
    Summer: 4 to 10 million pairs   (Trend in Numbers)
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of: Bern(III)
Survey Results: Results from BirdTrack
Results from Garden BirdWatch

Breeding and Survival

Egg Size: 14 x 11 mm Egg Weight: 0.9 g (of which 6 % is shell)
Number of Nest Records: 197
Clutch Size: 6 - 8 eggs 7.06 ± 1.93 (2 - 14) N = 1095
Incubation: 15- 18 days 16.16 ± 1.78 (13 - 18.5) N = 1095   by the: Female
Fledging: 16 - 17days 15.71 ± 0.97 (14 - 17) N = 849 as: Altricial, naked
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 8 Apr (24 Mar - 29 Apr)
Number of Broods: 1
See trends in Breeding Productivity
Number Ringed: Annual Totals
Adult Survival: 0.443 ± 0.044       
Juvenile Survival: 0.251 (in First-Year)  
Age at First Breeding: 1 year Typical Lifespan: 2 years
Maximum Recorded Age: 8 years 8 months 5 days (set in 2004)
Read a summary of Ringing Recoveries

Biometrics

Ring Size: AA
Wing Length Adult: 60.9 ± 1.6 Range 58 - 64 mm, N =12498
Juvenile: 59.2 ± 2.3 56 - 63 mm, N =1784
Male: 61.8 ± 1.5 60 - 64 mm, N =961
Female: 60.1 ± 1.6 58 - 63 mm, N =1668
Weight Adult: 7.78 ± 0.58 Range 7.00 - 8.70 g , N =9928
Juvenile: 7.94 ± 0.53 7.10 - 8.80 g , N =1133
Male: 7.91 ± 0.50 7.20 - 8.70 g , N =730
Female: 8.02 ± 0.68 7.10 - 9.30 g , N =1340
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

Long-tailed Bushtit
Gaelic: Cailleach-bheag-an-earbaill Welsh: Titw Gynffon-hir
Danish: Halemejse Dutch: Staartmees
Finnish: Pyrstötiainen French: Mésange ŕ longe queue
German: Schwanzmeise Hungarian: Oszapó
Icelandic: Skottmeisa Irish: Meantán Earrfhada
Italian: Codibugnolo Norwegian: Stjertmeis
Polish: Raniuszek zwyczajny Portuguese: Chapim-rabilongo
Spanish: Mito Swedish: Stjärtmes

For More Information...

Books and Monographs:
   Perrins, C. 1979 British tits Collins, London [598.922 PER]
See Also:
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Wikipedia entry
HBW account (subscription required)
BirdLife species page
Recent sightings and information from BirdGuides