White-backed Duck

Thalassornis leuconotus

Abstract

White-backed Duck Thalassornis leuconotus has most recently been assessed for The IUCN Red List of Threatened Species in 2023. Thalassornis leuconotus is listed as Least Concern.


The Red List Assessment i

BirdLife International 2024. Thalassornis leuconotus. The IUCN Red List of Threatened Species 2024: e.T22679785A209286572. https://dx.doi.org/10.2305/IUCN.UK.2024-2.RLTS.T22679785A209286572.en. Accessed on 16 March 2025.

Last assessed

16 November 2023

Scope of assessment

Global

Population trend

Decreasing

Number of mature individuals

8,500-20,000

Habitat and ecology

Wetlands (inland)

Geographic range

  • Possibly Extant (resident)

  • Extant (non-breeding)

  • Extant (resident)

BirdLife International and Handbook of the Birds of the World 2023. Thalassornis leuconotus. The IUCN Red List of Threatened Species. Version 2024-2

Assessment Information

IUCN Red List Category and Criteria

Least Concern  

Date assessed

16 November 2023

Year published

2024

Assessment Information in detail

Geographic Range

Native

Extant (resident)

Angola; Botswana; Burundi; Cameroon; Chad; Congo; Congo, The Democratic Republic of the; Eswatini; Ethiopia; Kenya; Lesotho; Madagascar; Malawi; Mali; Mozambique; Namibia; Nigeria; Rwanda; Senegal; South Africa; South Sudan; Tanzania, United Republic of; Uganda; Zambia; Zimbabwe

Extant & Vagrant

Benin; Burkina Faso; Mauritania; Somalia; Sudan; Togo

Number of locations

Upper elevation limit

3,000 metres

Lower elevation limit

0 metres

Upper depth limit

Lower depth limit

Geographic Range in detail

Population

Current population trend

Decreasing

Number of mature individuals

8,500-20,000

Population severely fragmented

No

Continuing decline of mature individuals

Yes

Population in detail

Habitat and Ecology

Generation length (years)

5.55 years

Congregatory

Congregatory (and dispersive)

Movement patterns

Not a Migrant

Continuing decline in area, extent and/or quality of habitat

Unknown

Habitat and Ecology in detail

Use and Trade

Food - human

Local: ✔
National: ✔
International: ✘
Use and Trade in detail

Conservation Actions

In-place research and monitoring

  • Action Recovery Plan : No
  • Systematic monitoring scheme : Yes

In-place land/water protection

  • Conservation sites identified : Yes, over entire range
  • Occurs in at least one protected area : Yes
  • Invasive species control or prevention : No

In-place species management

  • Successfully reintroduced or introduced benignly : No
  • Subject to ex-situ conservation : No

In-place education

  • Subject to recent education and awareness programmes : No
  • Included in international legislation : Yes
  • Subject to any international management / trade controls : No
Conservation Actions in detail

Bibliography

Red List Bibliography
Green Status Bibliography

External Data

CITES Legislation from Species+

Data source

The information below is from the Species+ website.

CITES Legislation from Species+ in detail

Ex situ data from Species360

Data source

The information below is from Species360's Zoological Information Management System (ZIMS).

Ex situ data from Species360 in detail

Studies and Actions from Conservation Evidence

Data source

The information below is from the Conservation Evidence website.

Studies and Actions from Conservation Evidence in detail