First Cuckoo 2024au. Explore the cuckoo birdfacts page to learn more about this iconic species. Scientists have long suspected interacting species can drive evolutionary changes in each other, which is known as coevolution.
The first cuckoo from the british trust for ornithology (bto) cuckoo tracking project to arrive back in the uk reached his breeding grounds in wales over. An important aspect of this project is how it helps us improve our understanding of why.