Taiga bean goose
Kingdom
Phylum
Class
Order
Family
Genus
SPECIES
Anser fabalis
Weight
2.8-3.4
6.2-7.5
kglbs
kg lbs 
Length
65-90
25.6-35.4
cminch
cm inch 
Wingspan
140-190
55.1-74.8
cminch
cm inch 

The taiga bean goose (Anser fabalis ) is a goose that breeds in northern Europe and Asia. This and the tundra bean goose are recognised as separate species by the American Ornithological Society and the International Ornithologists' Union, but are considered a single species by other authorities (collectively called bean goose). It is migratory and winters further south in Europe and Asia. The taiga and tundra bean goose diverged about 2.5 million years ago and established secondary contact ca. 60,000 years ago, resulting in extensive gene flow.

Appearance

The length ranges from 68 to 90 cm (27–35 in), wingspan from 140 to 174 cm (55–69 in) and weight from 1.7–4 kg (3.7–8.8 lb). In the nominate subspecies, males average 3.2 kg (7.1 lb) and females average 2.84 kg (6.3 lb). The bill is black at the base and tip, with an orange band across the middle; the legs and feet are also bright orange.

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The upper wing-coverts are dark brown, as in the white-fronted goose (Anser albifrons ) and the lesser white-fronted goose (A. erythropus ), but differing from these in having narrow white fringes to the feathers.

The voice is a loud honking, higher pitched in the smaller subspecies.

The closely related pink-footed goose (A. brachyrhynchus ) has the bill short, bright pink in the middle, and the feet also pink, the upper wing-coverts being nearly of the same bluish-grey as in the greylag goose. In size and bill structure, it is very similar to Anser fabalis rossicus, and in the past was often treated as a sixth subspecies of bean goose.

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Distribution

Geography

The taiga bean goose is a rare winter visitor to Britain. There are two regular wintering flocks of taiga bean goose, in the Yare Valley, Norfolk and the Avon Valley, Scotland. A formerly regular flock in Dumfries and Galloway no longer occurs there.

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The taiga bean geese Anser fabalis fabalis wintering in Europe are considered to migrate across three different flyways: Western, Central and Eastern; which has been confirmed by stable isotope analysis of their flight feathers.

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Taiga bean goose habitat map

Climate zones

Taiga bean goose habitat map
Taiga bean goose
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Habits and Lifestyle

Seasonal behavior
Bird's call

Mating Habits

MATING BEHAVIOR
INDEPENDENT AGE
2.5 months

Population

References

1. Taiga bean goose Wikipedia article - https://en.wikipedia.org/wiki/Taiga_bean_goose
2. Taiga bean goose on The IUCN Red List site - https://www.iucnredlist.org/species/22679875/132302864
3. Xeno-canto bird call - https://xeno-canto.org/678744

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