Callis sewage works

A brief look after the rain stopped - 4:30pm
On/over the filter beds:
6 grey wagtails (at least 3 imm')
10 pied wagtails (at least 2 newly fledged)
c50 jackdaws
25 house martin
15 swallows
In scrub by canal:
2 chiffchaff (1 imm')
10 long tailed tit