Mapping the distribution of Hertfordshire's wildlife
Hover to over map see grid reference and location. Click in map to view species list for tetrad.
Species count
Tetrads
1 - 10 species
283
11 - 20 species
157
> 20 species
26
Total
466
This map shows the total numbers of species detected in each tetrad during the 2015-24 Atlas.
Hertfordshire Mammal Atlas designed by LTD Design Consultants, built by Garganey Consulting and funded by donations from members of the Hertfordshire Natural History Society