Link revealed between climate change and decline of a threatened UK migrant bird

Researchers from the British Trust for Ornithology (BTO) have used data gathered by volunteers to uncover how the decline in one Red-listed species is linked to climate-induced changes in its breeding behaviour. The open-access findings of their study have now been published in the journal Biology Letters.  Willow Warblers are small, tuneful birds that breed across Europe...

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