Garden bird feeders are boosting blue tit numbers – but leaving other species hungry – The Conversation

I’ve filled feeders with seeds and nuts since I was a child and I’ve always loved seeing which birds arrive. I’m not alone – around half of all UK households do the same nowadays, spending £250 million on 150,000 tonnes of bird food each year. That’s enough to feed three times the breeding populations of the ten commonest garden species if they ate nothing else all year, with one feeder for every nine birds that use them.

Have you ever wondered how all of that additional food might be affecting wild birds? How much has our generosity changed their natural diet, and what of the bird species we don’t see visiting garden feeders?

Origen: Garden bird feeders are boosting blue tit numbers – but leaving other species hungry

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