Greater Scaup

Aythya marila

19,363Records since 2000

JanuaryPeak month

111Counties with records

Least ConcernIUCN Red List

When it is recorded

Jan4,241

Feb2,982

Mar2,757

Apr1,579

May325

Jun84

Jul232

Aug282

Sep614

Oct1,884

Nov2,012

Dec2,365

GBIF records by month, 2000–2025 (all years combined).

#	County	Nation	Records
1	Rutland	England	1,374
2	Cambridgeshire	England	929
3	Essex	England	883
4	Highland	Scotland	879
5	East Riding of Yorkshire	England	683
6	Norfolk	England	526
7	Lincolnshire	England	495
8	Surrey	England	414
9	North Yorkshire	England	360
10	Shetland Islands	—	359
11	Dumfries and Galloway	Scotland	338
12	Oxfordshire	England	334
13	Gloucestershire	England	324
14	Bury	England	309
15	Somerset	England	305

15,344 England3,339 Scotland541 Wales131 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 111 counties in all.

Records since 2000: 19,363
Peak month: January
Counties with records: 111
IUCN Red List: Least Concern
Scientific name: Aythya marila
Also known as: Scaup
Group: Birds
NBN Atlas records since 2000: 8,529
Most recorded in: Rutland, Cambridgeshire, Essex, Highland, East Riding of Yorkshire, Norfolk, Lincolnshire, Surrey, North Yorkshire, Shetland Islands, Dumfries and Galloway, Oxfordshire +33
Conservation designations: Birds Directive, Convention on Migratory Species, Wildlife and Countryside Act 1981, Wildlife (NI) Order 1985, Birds of Conservation Concern, Biodiversity List – Northern Ireland, GB Red List (2001 IUCN criteria), Biodiversity List – England, UK BAP priority species, Scottish Biodiversity List
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Anseriformes
Family: Anatidae
Genus: Aythya
Name with authority: Aythya marila (Linnaeus, 1761)
Described: 1761
Contributing datasets: 21