The Irish Hen Harrier Winter Survey is on 31 March drawing to the conclusion of its 10th season,at which point the data will be analysed and published.This has been a massive piece of work,undertaken entirely voluntarily.It has documented from scratch,where Hen Harriers can be found in Ireland during the period August to March and how they have been doing in terms of numbers and much more besides.Be sure to play your part and contact the survey organiser (harriers@ahg.gov.ie) with any sightings or records from roost watches.