![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEht-MNdFg3gNVFqsGlUE7jCI-_Mn6Ie2030elcJ0Coz1ayb2dqRPkgaeQreKW-9Yy-FI-QK7NSB2tz_HE5os1Shpoco7-ymeJlWMiGyHyNgjl50GltcCTp0Td2Qw_PtJe43n-yd/s400/species+density+large.gif)
Meanwhile, you should be able to find signs of some species breeding at this time of year - ravens, crossbills, raptors - the nests of these birds are often more visible when there are no leaves on the trees. Look for Goshawks and others displaying over suitable habitat.During the spring and summer we are particularly keen for records of Green Woodpecker, Lesser Spotted Woodpecker, Spotted and Pied Flycatchers, Yellowhammers, Skylarks.
If it's easier for casual records, just read off the 1km grid reference from the map which we can turn into the correct tetrad.