From Opus

Photo by Peter de Haas
Junam Korea

Anser erythropus

[edit] Identification

56–66 cm length and with a 116–135 cm wingspan

• Bright orange legs
• Greyish-brown upper wing-coverts
• Yellow eye-ring
• White facial blaze goes up to the fore-crown
• Small pink triangular bill
• Black markings on belly
• Wing tips extend beyond tail
• In flight, tail shows narrow black and broad white band
• In flight, wings show a paler area in the hand that may flash silvery if the light is right

[edit] Similar Species

Generally smaller than the Greater White-fronted Goose, though there can be some overlap. Belly markings are more obvious on Greater. Distribution of black and white in the tail might be reversed on Greater.

Photo by Kudryavtsev
Yamal, Siberia, July 2007

[edit] Distribution

Breeds in arctic Eurasia; winters to southern Europe, India and China
Accidental on Attu Island, Alaska (1 record).

[edit] Taxonomy

This is a monotypic species^[1].

[edit] Habitat

Breeds in low-arctic open tundra or forest-tundra around mountain lakes.

[edit] Behaviour

[edit] Vocalisation

Call is more high-pitched than Greater

[edit] References

1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
2. Collins Pocket Guide to British Birds 1966
3. Collins Field Guide 5th Edition
4. Collins Bird Guide ISBN 0 00 219728 6
5. Birdforum thread discussing atypical Greater White-fronted Goose with features suggesting Lesser
6. Wikipedia

• List of references

[edit] External Links