| Kingdoms / Animalia / Craniata / Aves / Anseriformes / Anatidae / Anser / Species |
| < > Anser albifrons - Greater white-fronted goose (Click photographs/illustrations: full picture & further details) |
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Alternative Names (Synonyms) |
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| White-fronted Goose Whitefront Specklebelly Goose Oie rieuse (French) Bläßgans (German) Blässgans (German) Ansar careto (Spanish) Ganso frente blanco (Spanish) Kolgans (Dutch) Ansar careto grande (Spanish) Bläsgås (Swedish) European White-fronted Goose (Anser albifrons albifrons) Pacific White-fronted Goose (Anser albifrons frontalis) Gambel's White-fronted Goose (Anser albifrons gambeli) Tule White-fronted Goose (Anser albifrons elgasi) Tule Goose (Anser albifrons elgasi) Greenland White-fronted Goose (Anser albifrons flavirostris) |
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Names for newly-hatched |
Gosling, downy. |
Names for non-breeding males or other colour-phases |
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Species Author |
Debra Bourne |
Major References |
B1, B2, B3, B4, B8, B19, B25, B26, B44.9.w1. Aviculture references: |
ORGANISATIONS |
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TAXA Group (where information has been collated for an entire group on a modular basis) |
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Parent Group |
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Specific Needs Group referenced in Management Techniques |
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Aviculture Information |
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Notes |
General information:
(B7, B29, B30, B40, B94, B95, B108, B128.w1, B129) Species-specific information:
Aviornis UK Ringing Scheme suggested average closed ring size: R 16.0mm, except Tule goose Anser albifrons elgasi S 18.0mm (D8). |
| Individual Techniques linked in Wildpro |
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External Appearance (Morphology)
Measurement & Weight |
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| Length | 26-34 inches, 66-86cm (B3); 65-86cm (B1) | |
| Adult weight | General | 1700-3000g (B1) |
| Male | Anser albifrons albifrons 2400-3200g, Anser albifrons frontalis average 2404g, Anser albifrons elgasi average 2993g (B3) | |
| Female | Anser albifrons albifrons 1700g, Anser albifrons frontalis average 2222g, Anser albifrons elgasi average 2861g (B3) | |
| Newly-hatched weight | -- | |
| Growth rate | -- | |
| Adult | Bill | Male | Pink. |
| Variations (If present) | Anser albifrons flavirostris Greenland white-fronted goose - orange. | ||
| Eyes (Iris) | Male | Dark brown. | |
| Variations(If present) | -- | ||
| Juvenile | Bill | Duller than adult, sometimes tinged yellow. | |
| Eyes (Iris) | Dark brown. | ||
| Adult | Male | Orange. |
| Variations (If present) | -- | |
| Juvenile | Dull yellow. | |
| Adult | Male | Head and neck brown,
with distinctive white front to head and dark furrows on neck. Breast and abdomen buff-brown with black barring. Flanks brown with paler feather edges and white line along upper edge of flank. Ventral region and tail-coverts white, tail and rump dark grey with pale tail border. Upperparts grey-brown with pale feather edges; flight feathers blackish, wing coverts ashy-brown. |
| Variations (If present) | -- | |
| Juvenile | Lacks the black belly bars and the white on the head. | |
Newly-hatched Characteristics |
| General: Upperparts
brown/olive, underparts grey. Bill: Grey. Feet: Grey. |
Reproductive Season |
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| Time of year | Begins late May/June. |
| No. of Clutches | One. |
Nest placement and structure |
| On the ground, a shallow nest of vegetation, sparsely lined with down and feathers. |
Egg clutches |
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| No. of Eggs | Average | 3-7 (B1) |
| Range | 5-6 (B1); 4-7 (B8) | |
| Egg Description | White to cream/pinkish/light buff (B3, B8) . Size: 76 x 54mm. Weight: 125g. (B3). | |
| 22-28 days (B1); 24-28 days (B8). |
| Synchronous. |
| About 40-43 days (B1); 40-65 days (B8). |
Sexual Maturity |
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| Males | Three years old. |
| Females | Three years old. |
Feeding Behaviour |
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| Adults | Mostly grazes on land. |
| Newly-hatched | -- |
Parental Behaviour |
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| Nest-building | Nest as solitary pairs or in loose groups. |
| Incubation | By female, with male guarding. |
| Newly-hatched | Tended and defended by both parents. Brooded by female when small. |
| Juveniles | Remain with parents until the following breeding season. |
Social Behaviour |
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| Intra-specific | Gregarious except when nesting and with small goslings. |
| Inter-specific | -- |
Sexual Behaviour |
| Strong permanent pair bonds. |
Predation in Wild |
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| -- | |
| Circadian | -- |
| Basically vegetarian. Roots, leaves, stems, and seeds of herbs, berries, grass and sedges. In winter also grain, potatoes, sprouting cereals. |
| -- |
Distribution and Movement (Migration etc.) |
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| Normal |
Migratory: south to lower latitudes in temperate Europe, Asia and North America, to specific areas. Further south in very cold winters. London: In the London Area, "scarce winter visitor and passage migrant in variable numbers." (J322.65.w1) |
| Occasional and Accidental | Accidental to Portugal, Spain, Switzerland, Israel, Cyprus, Malta, Tunisia, Libya, Azores, Madeira. |
| Introduced | -- |
| Breeding: open tundra, coastal and inland, near marshes, lakes, rivers and pools. Winter: steppe, farmland and marshy areas. |
Intraspecific variation |
| European White-fronted Goose (Anser
albifrons albifrons) Pacific White-fronted Goose (Anser albifrons frontalis) Gambel's White-fronted Goose (Anser albifrons gambeli) Tule White-fronted Goose (Anser albifrons elgasi) Tule Goose (Anser albifrons elgasi) Greenland White-fronted Goose (Anser albifrons flavirostris) |
Conservation Status |
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| Wild Population - (Importance) |
Tule goose Anser albifrons gambeli classified as Vulnerable (B44.9.w1). |
| General Legislation |
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| CITES listing | Listing not yet included. |
| Red-data book listing | Listing not yet included. |
| Threats | Tule goose Anser albifrons gambeli vulnerable due to small range (B44.9.w1). |
Captive Populations |
| Tule and Gambel's are uncommon; other subspecies are kept commonly (B8). |
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