Winter tetrad progress

Priority No. of
tetrads		 No. needed for
minimum coverage
(min-8-rule)		 Total no. TTVs
(2 visits)		 Total no. TTVs
(only 1 visit)		 No. using
min-8-rule
(1+ visits)		 % of target
(1+ visits)
High (tetrads on land) 1359 572 551 142 566 99%
Low (coastal tetrads) 318 . 63 11 .  

Breeding season tetrad progress

Priority No. of
tetrads		 No. needed for
minimum coverage
(min-8-rule)		 Total no. TTVs
(2 visits)		 Total no. TTVs
(only 1 visit)		 No. using
min-8-rule
(1+ visits)		 % of target
(1+ visits)
High (tetrads on land) 1359 572 560 143 568 99%
Low (coastal tetrads) 318 . 59 18 .  


Below you can view maps of tetrads allocated for coverage, various maps of actual coverage, results such as the percentage of potentially present species recorded so far and example species maps. To view maps, click on the relevant button.


Map Season

10km reference map
 

10km reference map
Tetrads allocated for TTV
Tetrads covered by TTV
Roving Records/ BirdTrack
% species richness                  info button
Dunnock                                        info button
Kittiwake
Woodcock
Willow Warbler
Tawny Owl
Red Grouse
Sedge Warbler
Skylark
House Sparrow
Long-eared Owl
Oystercatcher
Mistle Thrush

Button key
= winter map (November to February)
= breeding map (April to July)
= both seasons combined
= no map for this season
= hover mouse over for extra information
All maps are provisional and subject to validation and addition of further records.

          



BTO blue divider

Results generated by SAS® software

 Online Partner logos

birdatlas@bto.org
Terms and Conditions | Privacy Statement        © British Trust for Ornithology
BTO, The Nunnery, Thetford, Norfolk IP24 2PU, UK. Registered Charity Number 216652.