The position of Research Ecologist is part of the BTO’s Wetland & Marine Research Team and will support and lead on projects in that team and also provide support to the BTO Surveys Team. The focus of the work initially will be to organise the Winter Gull Roost Survey, working with the BTO’s Information Systems Team to deliver the online data entry portal and site allocation application in time for counts in January 2024. The postholder will also be responsible for analysis and reporting of this survey which will be carried out over two winters. The Winter Gull Roost Survey was last undertaken in 2003/04–2005/06 and provides updated population estimates for Black-headed Gull, Common Gull, Lesser Black-backed Gull, Herring Gull and Great Black-backed Gull wintering in the UK, i