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Roseate Tern Sterna dougallii   [Montagu, 1813]
Other Names Trends & Distribution Breeding & Survival Biometrics Books & Links
Order: Charadriiformes Family: Sternidae
BTO Codes: RS, ROSTE EURING No: 6140
Number in Britain: 103 pairs (Summer)
Conservation Status:
UK: RED
European: 3 Concern, most not in Europe; Rare
Global: Least Concern
Links to: Images   Videos   Sound  

Status in UK: (A)  Migrant Breeder, Passage Visitor
Subspecies: recorded in Britain (of 5 subsp. in the world)
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Length: 36 cm Wingspan: 76 cm Weight: M/F: 110 g    
Scientific name from: Old English: stearn=a tern and after Peter Dougall (1777-1814) Scottish physician and collector
World Distribution: BREEDS: Locally in Europe, s Asia, Africa & e North America, WINTERS: at sea Africa, s Asia, s South America
Habitat: Sandy seacoasts, in winter pelagic
Diet: Fish, mostly plunge-diving
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Population and Distribution
Population Trend: No population trend available
Distribution: No distribution maps available
British Population Size:
    Summer: 103 pairs in 2005
    First Record: 1813
    Latest Survey: Eaton, M.A. et al. (2006) State of the UK's birds 2005 RSPB, Sandy
    Conservation Status: RED because Recent Breeding Population Decline,
   Previous Assessments: 2002-2007 RED     1996-2001 RED  
   Races of Concern:
UK Biodiversity Action Plan (Lead Partner: RSPB)
Habitat Occupancy (in the Breeding Season):
    No habitat data from BBS
European Population Size:
    Summer: 1800 to 2 thousand pairs
Population Assesment from Birds in Europe
Distribution in Europe
European Species Action Plan
Listed on the Appendices/Schedules of: WCA(I), WBD(I), Bern(III), Bonn(II), AEWA
Survey Results: Seabird 2000 (warning: link to large pdf)
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Breeding and Survival
Egg Size: 43 x 30 mm Egg Weight: 20.4 g (of which 6 % is shell)
Number of Nest Records: 35
Clutch Size: 1 - 2 eggs
Incubation: 21- 26 days by the: Female (occ. Male)
Fledging: 22 - 30days as: Semi-precocial, downy
First Clutches Laid: 29 May (15 May - 12 Jun)
Number of Broods: 1

Number Ringed: 796
Adult Survival: 0.855 ± 0.047       
Juvenile Survival: No data
Age at First Breeding: 2 years Typical Lifespan: 8 years
Maximum Recorded Age: 23yr 10m
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Biometrics
Ring Size: C2
Wing Length Adult: Insufficient Data.
Juvenile: Insufficient Data.
Male: Insufficient Data
Female: Insufficient Data
Weight Adult: Insufficient Data.
Juvenile: Insufficient Data.
Male: Insufficient Data
Female: Insufficient Data
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Other Names
Gaelic: Steàrnag-stiùireach Welsh: Morwennol Wridog
Danish: Dougallsterne Dutch: Dougalls stern
Finnish: Ruusutiira French: Sterne de Dougall
German: Rosenseeschwalbe Hungarian: Rózsás csér
Icelandic: Roðaþerna Irish: Geabhróg Ríoga
Italian: Sterna di Dougall Norwegian: Rosenterne
Polish: Rybitwa rózowa Portuguese: Andorinha-do-mar-rósea
Spanish: Charrán rosado Swedish: Rosentärna
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For More Information...
Books and Monographs:
   Marples, G. & Marples, A. 1934 The sea terns or sea swallows Country Life Books, London [598.616 MAR]
See Also:
All About Birds (Cornell Lab of Ornithology)
Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
Wikipedia entry
State of the Nations Birds by Chris Mead
Recent sightings and information from BirdGuides.com
Selected scientific papers published 1980-2005
Find more papers on Google Scholar
Find more papers on Scirus

BTO blue divider
BirdWeb logo, click to go to BirdWeb BirdFacts home | BTO Home
Email: birdfacts@bto.org

These data should be cited as:
Robinson, R.A. (2005) BirdFacts: profiles of birds occurring in Britain & Ireland (v1.24, June 2009). BTO Research Report 407, BTO, Thetford (http://www.bto.org/birdfacts)

 

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