Hen Harrier: 1980s winter atlas

Sunday, October 9, 2011 at 4:49PM
Pembrokeshire Avifauna committee in 1980s BTO winter atlas, GHR, Hen Harrier, raptor

 

The BTO winter atlas showed that Hen Harriers were present in a third of Pembrokeshire 10km squares during the winters of 1981-82, 1982-82 and 1983-84.

The darker the colour, the higher the relative total count for each 10km square.  The darkest blue represents over 3 birds recorded per day.

Graham Rees 

Article originally appeared on Birds in Pembrokeshire (http://pembsbirds.squarespace.com/).