The 10km square PDF’s summarise the 2008-2010 breeding season results, showing the highest evidence of breeding for all the species recorded in each tetrad, except for species of a rare or sensitive nature. The letters across the top of the page are the tetrad suffixes e.g. SD70Z is Elton Resr. To find the 10km summary and individual tetrad which covers your local area, please refer to the GM tetrad map which can be found here. The information in column 10 covers records submitted at 10km square level where the tetrad letter was not given.

Key to abbreviations:

x = present

Nb = non-breeding evidence

Po = possible breeding evidence

Pr = Probable breeding evidence

Co = Confirmed breeding evidence

Proof of breeding from outside the core period (April to July) is denoted by lower case notation e.g. po, pr, and co. Details of the breeding codes and how these relate to the categories of breeding evidence can be found here http://www.bto.org/birdatlas/taking_part/bevidence.htm

 

TETRADS

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SD 50,51,60,61,70,71,80,81,90,91,92

SE 00,01

SJ 59,68,69,78,79,88,89,98,99

SK 08,09