The stupid twats eat them.
They’ve gone from lowest risk/least concern in 2000 to critically endangered in 2017. If the trend continues, they could well be extinct in the not so distant future.
They are a rare vagrant in the UK - with most individuals being recorded in Shetland.
after a precipitous decline it is now thought to have potentially completely disappeared from Finland, Belarus, Ukraine and large parts of Russia (Kamp et al. 2015). In the autumn, birds stop-over in large numbers to moult in the Yangtze Valley, China, before continuing on to their winter quarters. It winters in a relatively small region in South and South-East Asia