Scaup (Aythya marila)
Key Details
| Taxonomic Groups: | Vertebrate > bird > Bird |
| Red List Status: | Endangered (Non-breeding) [EN(nbr)] |
| D5 Status: | Included in the baseline Red List Index for England (Wilkins, Wilson & Brown, 2022) |
| Section 41 Status: | (not listed) |
| Taxa Included Synonym: | (none) |
| UKSI Recommended Name: | Aythya marila |
| UKSI Recommended Authority: | (Linnaeus, 1761) |
| UKSI Recommended Qualifier: | (none specified) |
| Red List Citation: | Stanbury et al., 2021 |
| Notes on taxonomy/listing: | (none) |
Criteria
| Question 1: | Does species need conservation or recovery in England? |
| Response: | Yes |
| Justification: | Eng WeBS trends (25 yr -92%, 10 yr -36%) |
| Question 2: | Does recovery/ conservation depend on species-specific actions? |
| Response: | No |
| Justification: | Climate change impacts driving change. Business as usual management required at existing SPAs. They are also identified as a ‘main component’ of both the Humber Estuary and Ribble and Alt Estuaries SPAs. There are no new (2016) SPA review actions. There are outstanding actions from the 2001 Review, but these only affect Scotland and NI |
| Question 3: | At a landscape scale, would the species benefit from untargeted habitat management to increase habitat mosaics, structural diversity, or particular successional stages? |
| Response: | No |
| Justification: | Winter population uses inshore waters and inland large reservoirs. |
Species Assessment
Not relevant as no Key Actions defined.
Key Actions
No Key Actions Defined
Acknowledgment:
Data used on this website are adapted from Threatened species recovery actions 2025 baseline (JP065): Technical report and spreadsheet user guide (Natural England, 2025). Available here.