# Blue duck (*Hymenolaimus malacorhynchos*)

Canonical page: https://creaturedata.com/animals/blue-duck  
Data as of: 2026-11-11

The blue duck (Hymenolaimus malacorhynchos) is a species in the family Anatidae, order Anseriformes. Recorded adults weigh 768 g to 897 g. Source checklists list it for 1 country: Australia. Its IUCN Red List status is Endangered.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 768 g – 897 g |
| Length | Not recorded |
| Lifespan | Not recorded |
| Diet | Aquatic predator |
| Main food | Not recorded |
| Habitat | riverine |
| Young per litter or clutch | 5 – 5.47 |
| Litters or clutches a year | 1 |
| Lifestyle | Aquatic |
| Migration | Sedentary |
| Conservation status | Endangered (IUCN) |
| Countries on record | 1 country |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Anseriformes
- family: Anatidae
- genus: Hymenolaimus
- species: *Hymenolaimus malacorhynchos* (J. F. Gmelin, 1789)

Synonyms: *Anas malacorhynchos*, *Hymenolaimus malachorhynchus*, *Hymenolaimus malacorhynchos hymenolaimus*, *Hymenolaimus malacorhynchos malacorhynchos*, *Hymenolaimus malacorhynchus*, *Hymnenolaimus malacorhynchos*

## Countries on record

Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.

Australia

## Common questions

### How big is the blue duck?

An adult blue duck weighs 768 g – 897 g, according to values recorded on Wikidata.

### Where does the blue duck live?

Catalogue of Life checklists list the blue duck for 1 country: Australia. Checklist coverage is uneven, so the true range may be wider.

### Is the blue duck endangered?

The blue duck is listed as Endangered on the IUCN Red List, meaning it faces a very high risk of extinction in the wild.

### What kind of animal is the blue duck?

The blue duck (Hymenolaimus malacorhynchos) belongs to the family Anatidae in the order Anseriformes.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [AVONET: morphological, ecological and geographical data for all birds](https://doi.org/10.6084/m9.figshare.16586228.v7), CC BY 4.0, v7. Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Blue duck (Hymenolaimus malacorhynchos). Retrieved from https://creaturedata.com/animals/blue-duck