| Allgemeines • this position changes among the flock. |
| 28.10.2013, 17:36 - fenpxsli - Pfeifenkopp - 205 Posts Snow geese stopover at wildlife refuge on the way to wintering grounds Just like a blizzard filling heaven, these pictures show one of nature's most amazing displays as more than the usual million snow geese stop for a rest throughout their annual migration. The astounding shots were taken by Mike Hollingshead in Squaw Creek National Wildlife Refuge near Mound City, Missouri. The geese must travel 2,500miles twice yearly. Every autumn the snow geese head using their main breeding grounds in central Canada to their wintering grounds in the Gulf of Mexico. The noisy birds migrate in unusually large flocks of 100 to 1,parajumpers online,000 that are comprised of many family groups. Biologists still do not understand the way the birds decide when to migrate. A million snow geese crowded into Squaw Creek National Wildlife Refuge this autumn on their way for their wintering grounds in Mexico The birds manage to stay together in family groups numbering from 100 to 1,000 on their journey south from Canada This year managers estimate 1.2million snow geese rested in the 11.5 square mile refuge. It was once a private hunting area but now its wildlife is protected. Some birds however happen to be recorded to make the entire journey without stopping for any rest a flight of 70 hours. They spend winter in Mexico and travel back to Canada in late spring Routes utilized by birds are in place since there is lots of water and food along its length and few mountains or large hills to bar the flyway,doudoune canada goose avis. Throughout the flight south the birds fly between 40 and 50 miles an hour at around 3,canada goose sale,000ft. However, some have been recorded as high as 20,000ft on radar. They fly in an unusual undulating fashion often known as a 'wavie'. The birds fly at different heights and rise and descend slightly on the journey. They also form imperfect Vs even though there's often a leader at the head, this position changes among the flock. Snow geese arrive at their cold nesting grounds prior to the snow has melted and breed within the arctic summer,parajumpers pas cher. As the young grow the adult geese go through a yearly moult and therefore are rendered flightless for around a month. They then result in the long journey back to Mexico using their young between August and October and remain together for their first winter. They have strong family bonds and usually mate for a lifetime. |