Lesser Black-backed Gull distribution

These maps show all of the tetrads in which Lesser Black-backed Gull was recorded and the maximum number of individuals recorded in each tetrad (abundance).

These maps show the tetrads in which Lesser Black-backed Gull was recorded in Summer and Winter respectively.
| Statistic | Breeding season | Winter | Total | 
|---|---|---|---|
| No. of tetrads | 59 | 88 | 110 | 
| No. of visits | 86 | 119 | 205 | 
| Highest count | 80 | 500 | 
Simple catchment maps showing change in distribution from the Bird Atlas 2007-11:

Map data (c) OpenStreetMap contributors, (c) Environment Agency