For birds living in Britain in the winter, like the robin, it is a tough time to stay alive. There is little food to eat and shelter from the cold weather is hard to find.
For these reasons, many birds fly to warmer countries (they migrate) where there is lots to eat. The birds then return to Britain in the spring when the weather is better.
For the birds that stay in Britain, by December, the autumn berries are long gone and the cold weather forces birds to use up their food and fat reserves to keep their high body temperature, which is 43°C. It's really hard for them to find food, especially when the ground freezes and they can’t tuck into their usual feast of wriggly worms!
To help the birds in winter, why not make this Christmas bird ball and hang it in your garden?
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