Red-breasted Merganser Mergus serrator [Linnaeus, 1758] |
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For details point at or click the |
Page updated:16-January-2013 |
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Order:
Anseriformes
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Family: Anatidae |
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BTO Codes:
RM, REBME
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EURING No: 2210 | |
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Number in Britain:
2200 pairs (Summer)
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Conservation Status:
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| Links to: Images Videos Sound | ||
| Tips on Identification | ||
Status in UK:
(A) Resident Breeder, Winter Visitor
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Subspecies:
Monotypic
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Length:
55 cm
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Wingspan: 78 cm |
Weight:
M/F: 1.1 kg
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Scientific name from:
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L.: mergus=a waterbird and L.: serra=a saw |
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World Distribution:
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BREEDS: n Eurasia & n North America, WINTERS: south to Mediterranean, Black Seas & n Mexico |
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Habitat:
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Lakes, rivers, on migration also seacoasts |
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Diet:
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Primarily fish, often pursued by swimming short distances |
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Population and Distribution |
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British Population Size:
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Summer:
2150 pairs
in 1988-91
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Winter:
8400 individuals
in 2004-09
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First Record:
Recorded in Medieval times
[Fossil evidence from
Middle Pleistocene, c. 500,000 yr ago]
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Conservation Status:
GREEN
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Previous Assessments:
2002-2007
GREEN
1996-2001
GREEN
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| Races of Concern: | ||||
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Habitat Occupancy (in the Breeding Season):
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| No habitat data from BBS | ||||
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European Population Size:
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Summer:
64 to 108 thousand pairs
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| Population Assesment from Birds in Europe | ||||
| Distribution in Europe mapped by the EBCC Atlas | ||||
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Listed on the Appendices/Schedules of:
WBD(II*), Bern(III), Bonn(II), AEWA
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Breeding and Survival |
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Egg Size:
65 x 45 mm
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Egg Weight: 72.0 g (of which 8 % is shell) | ||
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Number of Nest Records:
4
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Clutch Size:
8 - 10 eggs
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Incubation:
31- 32 days
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by the: Female |
Fledging:
60 - 65days
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as:
Precocial, downy
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First Clutches Laid:
Unavailable
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Number of Broods:
1
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Number Ringed:
Annual Totals
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Adult Survival:
No data
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Juvenile Survival:
No data
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Age at First Breeding:
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Typical Lifespan:
No data
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Maximum Recorded Age:
12 years 0 months 15 days (set in 2001)
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| Read a summary of Ringing Recoveries | |
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Biometrics |
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Ring Size:
G or F*
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Wing Length
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Adult: | Insufficient Data |
| Juvenile: | Insufficient Data | |
| Male: | Insufficient Data | |
| Female: | Insufficient Data | |
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Weight
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Adult: | Insufficient Data |
| Juvenile: | Insufficient Data | |
| Male: | Insufficient Data | |
| Female: | Insufficient Data | |
| Seasonal: | ||
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Other Names |
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| Gaelic: Sìolta-dhearg | Welsh: Hwyaden Frongoch |
| Danish: Toppet skallesluger | Dutch: Middelste zaagbek |
| Finnish: Tukkakoskelo | French: Harle huppé |
| German: Mittelsäger | Hungarian: Örvös bukó |
| Icelandic: Toppönd | Irish: Síolta Rua |
| Italian: Smergo minore | Norwegian: Siland |
| Polish: Szlachar | Portuguese: Merganso-de-poupa |
| Spanish: Serreta mediana | Swedish: Småskrake |
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For More Information... |
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Books and Monographs:
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| Kear, J 2005 Ducks, geese and swans Oxford University Press [598.48 KEA] | |
| Cabot, D. 2009 Wildfowl Collins, London | |
| See Also: | |
Find scientific papers on  Google Scholar
or  Scirus by clicking the icon
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| Wikipedia entry | |
| BirdLife species page | |
| Recent sightings and information from BirdGuides | |
| All About Birds (from the Cornell Lab of Ornithology) | |
| Details from the Patuxent Bird Identification Infocenter | |
| Read State of the Nations Birds by Chris Mead | |
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