Ring-necked Duck
Aythya collaris (Donovan, 1809)
NG
RINDU
2000
Family: Anseriformes > Anatidae
A rare, but regular, visitor from North America, with many individuals apparently re-appearing at the same site in multiple years. The pattern of occurrence is complicated by frequent escapes from wildfowl collections
Select a topic for more facts and statistics about the Ring-necked Duck
BTO RECORDS
Identification
Ring-necked Duck identification is sometimes difficult.
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Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.
CONSERVATION STATUS
This species can be found on the following statutory and conservation listings and schedules.
| IUCN Red List of Threatened Species (global) |
Least Concern 
|
| Schedule 1 license required (to disturb) | No |
| Birds Directive Annex 1 | No |
POPULATION SIZE
We have no population estimates for this scarce species.
| BOU Category | A |
|
First Record
|
Gloucestershire, 1955 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
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Britain and Ireland Breeding Distribution 2008-2011.
More from the Atlas Mapstore. -
Britain and Ireland Winter Distribution 2008-2011.
More from the Atlas Mapstore.
Occupied 10-km squares in UK
| No. occupied in breeding season | 1 |
| % occupied in breeding season | 0.03 |
| No. occupied in winter | 65 |
| % occupied in winter | 2.2 |
DISTRIBUTION CHANGE
This vagrant has been recorded in several atlases so we have been able to map distribution changes. However, as a rarity these may not show a consistent pattern of change.
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Britain and Ireland Breeding Distribution Change 1968–72 to 2008–11.
More from the Atlas Mapstore. -
Britain and Ireland Winter Distribution Change 1981–84 to 2007–11
More from the Atlas Mapstore.
| % change in range in winter (1981–84 to 2007–11) | +300% |
SEASONALITY
Ring-necked Duck is a scarce vagrant, usually detected in winter.
Movement
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
RINGING RECOVERIES
View a summary of recoveries in the Online Ringing Report.
Foreign locations of birds ringed or recovered in Britain & Ireland
Biology
Lifecycle and body size information about Ring-necked Duck, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.
PRODUCTIVITY & NESTING
Sample sizes are too small to report Productivity and Nesting statistics for this species.
CODES & CLASSIFICATION
|
Field Codes
|
2-letter: NG | 5-letter code: RINDU | Euring: 2000 |
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Links to more information from ConservationEvidence.com
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