Anser caerulescens
System : Freshwater_terrestrial
Kingdom
Phylum
Class
Order
Family
Animalia
Chordata
Aves
Anseriformes
Anatidae
  • Not Evaluated
    NE
  • No Alien Population
    NA
  • Data Deficient
    DD
  • Minimal Concern
    MC
  • Minor
    MN
  • Moderate
    MO
  • Major
    MR
  • Massive
    MV
  • General
  • Distribution
  • Impact
  • Management
  • Bibliography
  • Contact
Common name
 
Synonym
Similar species
Summary

Principal source:

Compiler:

Review:

Publication date:

Recommended citation: Global Invasive Species Database (2025) Species profile: Anser caerulescens. Downloaded from http://iucngisd.org/gisd/speciesname/Anser+caerulescens on 14-01-2025.

Countries (or multi-country features) with distribution records for Anser caerulescens
ALIEN RANGE
NATIVE RANGE
Informations on Anser caerulescens has been recorded for the following locations. Click on the name for additional informations.
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Location Status Invasiveness Occurrence Source
Details of Anser caerulescens in information
Status
Invasiveness
Arrival date
Occurrence
Source
Introduction
Species notes for this location
Location note
Management notes for this location
Impact
Mechanism:
Outcome:
Ecosystem services:
Impact information
Red List assessed species 2: LC = 2;
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Management information
Contact
The following 0 contacts offer information an advice on Anser caerulescens
MN
Anser caerulescens
Date assessed
2021-10-21
Year published
2022
Eicat category
MN (Minor)
Justification for EICAT assessment


Hybridisation of the Snow Goose with both Greylag Geese (Anser anser) and Barnacle Geese (Branta leucopsis) has been recorded in the wild. There is no evidence that this has caused a decline of these species (Banks et al., 2008; Ottenburghs et al., 2016).
Confidence rating
Low
Mechanism(s) of maximum impact
Hybridisation
Countries of most severe impact
Netherlands; United Kingdom
Description of impacts
The Snow Goose hybridizes with the Greylag Goose and Barnacle Goose in Europe.
Assessor
Thomas Evans; Tom Allmert
Contributors
Reviewers
EICAT authority
Recommended citation
Thomas Evans, Tom Allmert (2025). Anser caerulescens. IUCN Environmental Impact Classification for Alien Taxa (EICAT).