# Green darner (*Anax junius*)

Canonical page: https://creaturedata.com/animals/green-darner  
Data as of: 2026-11-14

The green darner (Anax junius) is a species in the family Aeshnidae, order Odonata. Recorded adults reach 7.4 cm in length. Source checklists list it for 12 countries, including Aruba, Bahamas and Belize.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | 7.4 cm |
| Lifespan | Not recorded |
| Diet | Invertivore |
| Main food | Not recorded |
| Habitat | freshwater, riverine, wetland |
| Young per litter or clutch | Not recorded |
| Resting metabolic rate | 4.09 mW |
| Conservation status | Not recorded |
| Countries on record | 12 countries |

## Recorded prey and predators

Recorded prey: Western toad (*Anaxyrus boreas*), Cephalogonimus americanus (*Cephalogonimus americanus*), Echinostoma trivolvis (*Echinostoma trivolvis*), Ribeiroia ondatrae (*Ribeiroia ondatrae*), California newt (*Taricha torosa*). Recorded predators: Red-winged blackbird (*Agelaius phoeniceus*), American coot (*Fulica americana*), Great blue heron (*Ardea herodias*), Garden snake (*Thamnophis sirtalis*), California newt (*Taricha torosa*), Western toad (*Anaxyrus boreas*), Red-tailed hawk (*Buteo jamaicensis*), Barn swallow (*Hirundo rustica*), Tree swallow (*Tachycineta bicolor*). Each pair is recorded by at least two datasets compiled by Global Biotic Interactions (https://www.globalbioticinteractions.org/, CC0 1.0).

## Classification

- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Odonata
- family: Aeshnidae
- genus: Anax
- species: *Anax junius* (Drury, 1773)

Synonyms: *Anax ocellatus*, *Anax severus*, *Anax spiniferus*, *Anex junius*, *Libellula junius*

## 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.

Aruba, Bahamas, Belize, Canada, Cayman Islands, Costa Rica, Cuba, Guatemala, Jamaica, Mexico, Puerto Rico, United States

## Common questions

### How big is the green darner?

An adult green darner measures 7.4 cm long, according to values recorded on Wikidata.

### Where does the green darner live?

Catalogue of Life checklists list the green darner for 12 countries, including Aruba, Bahamas, Belize, Canada and Cayman Islands. Checklist coverage is uneven, so the true range may be wider.

### What kind of animal is the green darner?

The green darner (Anax junius) belongs to the family Aeshnidae in the order Odonata.

### What eats the green darner?

Animals recorded preying on the green darner include red-winged blackbird, american coot, great blue heron and garden snake. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

### Which animals does the green darner eat?

Animals recorded as prey of the green darner include western toad, cephalogonimus americanus, echinostoma trivolvis and ribeiroia ondatrae. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

## Sources

- [AnimalTraits: a curated animal trait database for body mass, metabolic rate and brain size](https://animaltraits.org/), CC0 1.0, 1.0.7. Herberstein, M.E., McLean, D.J., Lowe, E. et al. (2022) AnimalTraits: a curated animal trait database for body mass, metabolic rate and brain size. Scientific Data 9: 265. https://doi.org/10.1038/s41597-022-01364-9. Data: https://doi.org/10.5281/zenodo.6468938
- [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
- [Global Biotic Interactions (GloBI): interpreted data products](https://www.globalbioticinteractions.org/), CC0 1.0, 0.11. Poelen, J.H., Simons, J.D. & Mungall, C.J. (2014) Global Biotic Interactions: an open infrastructure to share and analyze species-interaction datasets. Ecological Informatics 24: 148–159. https://doi.org/10.1016/j.ecoinf.2014.08.005. Data: https://doi.org/10.5281/zenodo.22691479, with each record's original reference.
- [TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe](https://doi.org/10.5281/zenodo.15063844), CC BY 4.0, 2.0. Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844

Cite as: Green darner (Anax junius). Retrieved from https://creaturedata.com/animals/green-darner