Snow Geese Migration

by Elizabeth Winter

Title

Snow Geese Migration

Artist

Elizabeth Winter

Medium

Photograph - Photography

Description

Every year, Nebraskans look forward to the migration of the snow geese!

Snow geese are known for their white plumage, but many of them are actually darker, gray-brown birds known as blue geese. These birds were once though to be two separate species, but they have recently been found to be merely two different color morphs of the same bird. A single gene controls the color difference.

Snow geese are harbingers of the changing seasons. They fly south for the winter in huge, honking flocks that may appear as a "U" formation or simply as a large "snowstorm" of white birds. They spend the colder seasons in southern coastal marshes, bays, wet grasslands, and fields. Their diet is entirely vegetarian, consisting of grasses and grains, grazed from damp soils or even shallow water.

At winter's end, snow geese fly north to their breeding grounds on the Arctic tundra. Pairs mate for life, and produce two to six eggs each year in a shallow ground nest. Chicks can swim and eat on their own within 24 hours, but families remain together through the young's first winter. Families can be identified as groups during both the southern and northern migrations.

In 1916, snow geese had become so rare in the eastern United States that hunting of the species was banned. Since that time, the birds have made a remarkable comeback. Today, though hunting has been reinstated, populations are thriving. In fact, the birds have become so numerous in places that they threaten to destroy their own habitat

Uploaded

February 20th, 2017

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