Independent: The cold weather is about to disappear, but its remnants may still turn this weekends Big Garden Birdwatch, the RSPBs annual festival for amateur observers which is the biggest citizen science exercise in the world, into one of the most interesting ever, as the freeze has been forcing more uncommon birds into gardens in search of food.
Waxwings, siskins, redpolls and fieldfares are among the less everyday species which may join house sparrows, starlings, blackbirds and blue tits in the gardens...