Our blog offers specialist insight and unique perspective from a wide range of BTO staff, volunteers and guest writers, giving context and inviting discussion on various aspects of our work. We also have a dedicated Youth blog and Migration blog (migblog) where you can read articles about those specific topics.
Cuckoos’ clocks can’t adjust to climate change – now we know why
Several studies from BTO and elsewhere have revealed alarming declines in species that breed in the UK and spend our winter months in Africa. However, these declines are less severe in migratory species that have adjusted the timing of their arrival back to their UK breeding grounds to keep pace with ever earlier northern hemisphere springs. But one species that has not significantly shifted the timing of its spring migration forward is the Cuckoo, the iconic harbinger of spring.
21.06.2023
