The positive rate of migratory birds is higher than resident birds.

候鸟的阳性率极显著高于留鸟。

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The decrease of water area and plantation made many resident birds can not find a place to live through the winter.

水域面积、植被覆盖率的减少，使栖息和越冬鸟类丧失了大量的栖息地。

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But others were hatchlings and resident birds-indicating the parasite can complete its full life cycle in the Great White North.

但是其他的则是雏鸟和留鸟，这表明寄生虫能够在北部大雪原完成生命循环。

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Reports were sent in by bird watchers from across the Isle of Man and sightings included resident birds such as stonechats, robins and cormorants and winter visitors to the island such as twite, whooper swans and great northern divers.

BBC: Isle Of Man bird competition notes 103 species

The birds were fed by Bungay resident Gordon Knowles until the last half dozen of the birds were handed in to an animal charity about two years ago.

BBC: Chickens on "chicken roundabout" at Ditchingham, Norfolk

The birds were fed by Bungay resident Gordon Knowles until the last half dozen of the birds were handed in to an animal charity nearly three years ago.

BBC: Hens dumped at Norfolk's 'chicken roundabout'