Mapping the distribution of Hertfordshire's birds
Mean hourly count
0 - <2.25
2.25 or more
Distribution maps
Change maps
Abundance maps
This map shows the relative abundance data from TTVs, plotted as mean hourly counts.
Map Index
Previous : Barnacle Goose
Next : Egyptian Goose
1981-84 Winter Atlas
2007-12 Winter Atlas
2007-12 Winter Abundance
Hertfordshire Bird Atlas webpages designed by LTD Design Consultants and built by Garganey Consulting