How to identify a Blackcap
Both sexes are mostly grey in colour and, in winter, are best distinguished by the colour of their cap. Adult males display the black cap that gives the species its common name, while females have a chestnut-brown cap.Watch our ID video
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Paper call for special HPAI issue
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.