Twite Carduelis flavirostris   [Linnaeus, 1758]

Other Names Trends & Distribution Breeding & Survival Biometrics Books & Links

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Order: Passeriformes Family: Carduelidae
BTO Codes: TW, TWITE EURING No: 16620
Number in Britain: 11 thousand pairs (Summer)
Conservation Status:
UK: RED
European: Not a species of concern
Global: Least Concern ( Details )
Links to: Images   Videos   Sound  
Status in UK: (A)  Migrant/Resident Breeder, Winter Visitor
Subspecies: pipilans (RB), flaviriostris (W) recorded in Britain (of 11 subsp. in the world)
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Length: 14 cm Wingspan: 23 cm Weight: M/F: 16 g    
Scientific name from: L.: carduelis=the goldfinch and L.: flavus=yellow + rostris=billed
World Distribution: Locally in Eurasia
Habitat: Grassland, moor
Diet: Small weed seeds (esp Asteraceae, Polygonum, Chenopodium) from open ground

Population and Distribution

Population Trend: No population trend available
Distribution: Atlas Maps    (Local Atlases)   
British Population Size:
    Summer: 6000 to 15 thousand pairs in 1999
    First Record: 1562
    Latest Survey: Langston, R.H.W. et al. (2007) Bird Study 53:55-63
    Conservation Status: RED because Historical Population Decline, Recent Breeding Population Decline (1981-2007),
   Previous Assessments: 2002-2007 RED     1996-2001 RED  
   Races of Concern: pipilans RED (Recent Decline)
Habitat Occupancy (in the Breeding Season):
    No habitat data from BBS
European Population Size:
    Summer: 170 to 760 thousand pairs
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of: WCA(III), Bern(III)
Survey Results: BirdTrack
Winter Farmland Bird Survey

Breeding and Survival

Egg Size: 17 x 13 mm Egg Weight: 1.4 g (of which 5 % is shell)
Number of Nest Records: 4
Clutch Size: 5 - 6 eggs 5.51 ± 0.86 (2 - 7) N = 250
Incubation: 13 days 12.58 ± 0.88 (11 - 14.5) N = 249   by the: Female
Fledging: 15 - 16days 15.18 ± 0.79 (14 - 16.5) N = 321 as: Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 27 May (12 May - 7 Jul)
Number of Broods: 1-2
Number Ringed: 672 (Annual Totals)
Adult Survival: No data
Juvenile Survival: No data
Age at First Breeding: 1 year Typical Lifespan: No data
Maximum Recorded Age: 5 years 7 months 3 days (set in 2010)
Summary of Ringing Recoveries       

Biometrics

Ring Size: A
Wing Length Adult: 76.9 ± 1.9 Range 74 - 80 mm, N =3660
Juvenile: 76.7 ± 2.0 73 - 80 mm, N =3253
Male: 78.0 ± 1.6 75 - 81 mm, N =1814
Female: 75.8 ± 1.6 73 - 78 mm, N =1778
Weight Adult: 16.21 ± 1.18 Range 14.30 - 18.20 g , N =3613
Juvenile: 15.97 ± 1.25 14.00 - 18.00 g , N =3168
Male: 16.37 ± 1.17 14.50 - 18.40 g , N =1798
Female: 16.05 ± 1.15 14.20 - 18.00 g , N =1749
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

Previously Acanthis flavirostris
Gaelic: Gealan-beinne Welsh: Llinos y Mynydd
Danish: Bjergirisk Dutch: Frater
Finnish: Vuorihemppo French: Linotte à bec jaune
German: Berghänfling Hungarian: Téli kenderike
Icelandic: Lyngfinka Irish: Gleoiseach Sléibhe
Italian: Fanello nordico Norwegian: Bergirisk
Polish: Rzepoluch Portuguese: Pintarrôxo-de-bico-amarelo
Spanish: Pardillo piquigualdo Swedish: Vinterhämpling
Local Names:Heather Lintie

For More Information...

Books and Monographs:
   Newton, I. 1972 The finches Collins, London [598.982 NEW]
See Also:
Find scientific papers on Google Scholar or Scirus by clicking the icon
Wikipedia entry
BirdLife species page
Recent sightings and information from BirdGuides
State of the Nations Birds by Chris Mead