tailieunhanh - bbc wildlife magazine october 2010 phần 2

Trong tất cả các vấn đề: 100 + ba thử nghiệm công thức nấu ăn, nấu ăn hàng ngày, những ý tưởng cuối tuần, các thành phần theo mùa, đầu bếp truyền hình, hình ảnh đầy cảm hứng và lời khuyên thiết thực. | WILD OCTOBER species habitats I your local patch I things to do WHATTO DO IN ONE Though dumpy and drab birds individually a huge group of knot whether on the ground or in the air is a spectacular sight. Birds of a feather Autumn is the best time to catch the dramatic KNOT ROOS in the Wash on the east coast - just don t forget to set your alarm clock. small numbers of turnstones among which I spot a grey plover bending over to pluck a tiny crab from the shingle. When the water has started to cover the final areas of saltmarsh the last big flocks take AT A GLANCE 111111 í 111 What Large wader roost primarily knot that can exceed 40 000 birds. I Where Snettisham Reserve on the Wash in northwest Norfolk. When For the highest numbers from mid-August to November. Also look for Pink-footed geese right and barn owls over the path from the carpark. I feel the rush of air from their wings as they skim low overhead. Each flock follows the same flightpath homing in on a hidden rendezvous point behind me. As I stand watching I realise that I am not alone small groups of people are dotted along the shore having trekked through the dark to witness one of the most dependable wildlife spectacles Britain has to offer. There are plenty of waders o look out for on the Wash in Worlds aqs to watch the exodus of large numbers of knot from the vast mudflats and saltmarshes. These rich feeding grounds are being submerged under one of the highest tides of the year and the birds are heading over the shingle shoreline to a high-tide roost in the RSPB s Snettisham Nature Reserve. The supporting cast includes black-tailed godwits which are probing in the soft mud with their long bills and mixed flocks of dunlin and sanderlings that head off to a gravel spit where they will wait until the tide ebbs. Wdrlc - l 3 to the air wheeling in a great aerial ballet and flashing silver as they expose pale underwings in unison. No raptor appears this morning but when a peregrine does give chase these dense