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Putting up your nest box is really only half the fun - to get the most out of it, take up the Nest Box Challenge and help us to monitor the breeding success of birds in Britain's green spaces. All you need to do is register your nest box and report on the contents, whether it's used or not, at regular intervals through the spring and summer.

This year we've extended the survey to include open nests, so if you find a Blackbird nesting in your privet hedge or a Collared Dove in your cherry tree, you can register it and report on its progress too.

Nest Box Challenge is organised by the BTO. Since the project was launched in 2007, 20,000 nest boxes have been registered across the UK - join the nest monitoring community by registering today!

 
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Returning users

If you took part in Nest Box Challenge in 2009, click the button to the right to
sign in. You don’t need to re-register your boxes or gardens unless some details have changed or you’ve moved house. Click here for more....

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New Users

To take part, all you have to do is:
• Click on the button to the right to register for the survey.
• Follow the instructions here to register your garden and nest box(es)/nests.
• Enter your observations regularly throughout the breeding season.

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Important things to remember

  • Register your box as soon as possible – you don’t have to wait until a bird uses it.
  • We really want to know about empty boxes as well as ones that are used so we can work out what proportion are occupied.
  • Keep checking your box until the end of August – most nest box species don’t fledge chicks until the beginning of June, and some species may have a second brood in the summer.

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Nest Box Challenge is organised by the BTO
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