Yellow Wagtail Motacilla flava   [Linnaeus, 1758]

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

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Order: Passeriformes Family: Motacillidae
BTO Codes: YW, YELWA EURING No: 10170
Number in Britain: 19 thousand territories (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 Breeder, Passage Visitor
Subspecies: flavissima (BP), flava (P), cinereocapilla (V), beema (V), thunbergi (P), simillima (V), feldegg (V) recorded in Britain (of 17 subsp. in the world)
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Length: 17 cm Wingspan: 25 cm Weight: M/F: 18 g    
Scientific name from: Gr.: muttex a bird described by Hesychius and L.: flavus=yellow
World Distribution: BREEDS: Eurasia, n Africa, Alaska, WINTERS south to s Africa, n Australia
Habitat: Damp meadows, marsh, riverbanks
Diet: Small invertebrates from ground or flycatching, often near livestock

Population and Distribution

Population Trend: Wider Countryside Report
Regional Trends: England   English Regions
Distribution: Atlas Maps    (Local Atlases)    BBS Maps
British Population Size:
    Summer: 12 to 27 thousand territories in 2000     Note: Best estimate
    First Record: c. 1600 [Fossil evidence from Devensian (last) glaciation, 10-120,000 yr ago]
    Conservation Status: RED because Recent Breeding Population Decline,
   Previous Assessments: 2002-2007 AMBER     1996-2001 GREEN  
   Races of Concern: flavissima RED (Recent Decline), flava AMBER (Rare or Localised), thunbergi AMBER (European Concern)
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Arable Farmland, Estuaries
    Also common in: Along Streams
Relative Frequency in Each Habitat:
Average Day of First Arrival: 7 Apr
European Population Size:
    Summer: 3.9 to 7 million pairs   (Trend in Numbers)
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of: Bern(III)
Survey Results: BirdTrack

Breeding and Survival

Egg Size: 19 x 14 mm Egg Weight: 1.8 g (of which 6 % is shell)
Number of Nest Records: 14   (more would be welcome!)
Clutch Size: 5 - 6 eggs 5.24 ± 0.88 (3 - 7) N = 178
Incubation: 14 days 13.59 ± 1.27 (11 - 16.5) N = 178   by the: Female
Fledging: 13 - 15days 13.94 ± 1.21 (12 - 15.5) N = 425 as: Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 24 May (7 May - 3 Jul)
Number of Broods: 1-2
Trends in Breeding Productivity
Number Ringed: 572 (Annual Totals)
Adult Survival: 0.533 ± 0.031       
Juvenile Survival: 0.463 (in First-Year)  
Age at First Breeding: 1 year Typical Lifespan: 3 years
Maximum Recorded Age: 8 years 8 months 0 days (set in 1988)
Summary of Ringing Recoveries       

Biometrics

Ring Size: A
Wing Length Adult: 81.6 ± 3.0 Range 76 - 86 mm, N =295
Juvenile: 81.2 ± 2.6 77 - 85 mm, N =999
Male: 82.8 ± 2.5 79 - 86 mm, N =176
Female: 79.3 ± 2.8 75 - 84 mm, N =82
Weight Adult: 17.55 ± 1.70 Range 15.30 - 20.40 g , N =270
Juvenile: 17.89 ± 1.69 15.50 - 21.00 g , N =869
Male: 17.71 ± 1.48 15.50 - 19.90 g , N =159
Female: 16.94 ± 1.78 15.00 - 21.30 g , N =77
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

Western Yellow Wagtail
Gaelic: Breacan-buidhe Welsh: Siglen Felen
Danish: Gul vipstjert Dutch: Gele kwikstaart
Finnish: Keltavästäräkki French: Bergeronnette printanière
German: Schafstelze Hungarian: Sárga billegeto
Icelandic: Gulerla Irish: Glasóg Bhuí
Italian: Cutrettola Norwegian: Gulerle
Polish: Pliszka zólta Portuguese: Alvéola-amarela
Spanish: Lavandera boyera Swedish: Gulärla

For More Information...

Books and Monographs:
   Smith, S. 1950 The yellow wagtail Collins, London [598.861 SMI]
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
Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
State of the Nations Birds by Chris Mead