Not been enough study. I suspect you missed my original comment about this on the previous thread. Back in 2000 the world's leading expert on house sparrows identified the use of lead replacemen… (View Post)

I should add that I am seeing some encouraging signs this last couple of years for some bird species. I take part in BTO surveys each year and within the survey areas on the Nottinghamshire/Lincolnsh… (View Post)

Thats what the Red List system is there for. It lists all those species in trouble not just the sexy or obvious ones and organisations like the BTO and RSPB then concentrate their efforts on those sp… (View Post)

Play Sam Curran and use Root as the spinner. (View Post)

The insect collapse really is noticeable sadly. I am not sure it is a widespread or accepted idea as yet but I am firmly of the opinion that it dates to the replacement of lead in petrol with benzene… (View Post)