Tundra Bean-Goose

Anser serrirostris

Order

ANSERIFORMES

Family

Ducks, Geese and Swans (Anatidae)

Code 4

TUBG

Code 6

ANSSER

ITIS

Egg Color:

Cream



Number of Eggs:

4 - 6



Incubation Days:

26



Egg Incubator:

Female



Nest Location:

On the ground.



Nest Material:

Lichen and down.



Migration:

Migratory



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General

Tundra Bean-Goose: A medium-sized goose with dark brown upperparts, tan underparts, and a white belly and vent. Dark brown barring on flanks, light brown barring on the back, white edging to the secondary coverts, and a white, "u-shaped" rump. Black bill with orange tip and orange legs. Juveniles are plumaged like adults but have yellow instead of orange on the bill, dull orange legs, and indistinct barring on the flanks. Sexes similar.

Range and Habitat

Tundra Bean-Goose: This species breeds in the tundra of northern Eurasia. It winters in marshes, wet grasslands, lakes, and large rivers in the agricultural landscapes in eastern China, central Asia, and western Europe. It has occurred as a rare vagrant to North America along the Aleutian archipelago.

Breeding and Nesting

Tundra Bean-Goose: Four to six cream-colored eggs are placed in a shallow scrape on a dry hummock of moss or under type of tundra vegetation. The female incubates the eggs for 26 days. Nesting takes place in early June.

Foraging and Feeding

Tundra Bean-Goose: Forages for seeds, vegetation, and small creatures in marshes and wet fields.

Vocalization

Tundra Bean-Goose: A nasal, trumpeting double or triple noted call.

Similar Species

Tundra Bean-Goose: Taiga Bean-Goose has longer neck and mostly orange bill. Pink-footed Goose has pink legs and feet and is more gray on the back. White-fronted Goose has an all orange or pink bill and a white front.

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UnderpartsX

Belly, undertail coverts, chest, flanks, and foreneck.

UpperpartsX
Back, rump, hindneck, wings, and crown.
BellyX
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
RumpX
The area between the uppertail coverts and the back of the bird.
Secondary covertsX
The feathers that cover and protect the secondaries.
VentX
Birds do not have two separate cavities for excrement and reproduction like humans do. In birds, there is one single entrance/exit that suits both functions called the vent, cloaca or anus.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X