This was a letter to the British Birds Journal about the Wryneck which was slowly disappearing as nesting/breeding bird in the UK. My first large bird book in 1960 still mentioned the wryneck nesting/breeding in only two counties and once a common breeding/nesting bird in the Uk!Link below
V47_N02_P064-064_L014_0.pdf
Regards,
Ian.
This was a review of book published I in 2022 about the wryneck.
link below.
3731.The Wryneck.pdf
It makes me wonder if the Turtle Dove is slowly disappearing as a UK Breeding/Nesting bird as well. Although there has been a slight improvement over the last few years.with the Turtle Dove.