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In Norway, the number of greylag geese is estimated to have increased three- to fivefold during the last 15-20 years.
They will be followed by flocks of pintail ducks and greylag geese.
The coarse grass also provides grazing for greylag geese.
But in recent years some greylag geese have begun to stay over the winter, finding the large re-seeded fields to their liking.
The boggy conditions attract thousands of overwintering greylag geese.
Adult greylag geese were more aloof and watched anxiously as their goslings joined in the competition for food.
They much more closely resemble the wild forebears of domestic geese, the Greylag Goose.
There are a number of bird species in this roadside loch, including resident ones such as the Greylag Goose.
They are smaller than Greylag Goose.
Lorenz studied instinctive behavior in animals, especially in Greylag geese and jackdaws.
The year of the Greylag Goose (1979)
In winter huge flocks of greylag geese and greater white-fronted geese shelter here.
Wildfowl numbers peak in early winter when up to 3,000 migrant greylag geese roost on the loch.
Konrad Lorenz made important observations of the Greylag Goose at the lake.
The only sound is the sucking of water in the peat and the chatter of greylag geese in a field half a mile away.
Like most other domestic geese, it was developed from the Greylag Goose of Europe and Asia.
Greylag Geese and Whooper Swans gather in the surrounding fields.
Compared to the Greylag Goose, there seems to have been some rearrangement on the fourth-largest chromosome pair.
A technique that had been previously used for The Living Planet was again called for to film greylag geese in flight.
Mute swans can be seen on Loch Brusda, and greylag geese are common.
Mallards were swimming there, and immature greylag geese, and one enormous cob swan who dominated the others.
The reserve is also home to greylag geese on the loch and in summer corncrakes on the machair.
The Greylag Goose has the bill and legs flesh-coloured, and the upper wing-coverts of a bluish-grey.
Hundreds of greylag geese grazing in fields looked like some new cinereous winter crop until they flew thickly into the dim sky.
It supports wintering populations of European importance of Greylag geese from the Icelandic population.