Much to her surprise, GBW-er Chrissie Osborne found that she was 'growing' Blue Tits instead of rhubarb...
Phil Atkinson explains the technology behind tracking.
We are putting together a special issue of the BTO journal Bird Study to bring together research documenting the HPAI outbreak and its impacts on wild birds.
It may still feel like winter but for some species, the increasing temperatures and lengthening days have already kick-started spring migration, with birds starting to arrive and depart across Britain and Ireland.
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