Guillemot - Teist
Cepphus grylle Tobisgrissla - Tejst
be seen in varying numbers throughout the year
irrespective of wind condtions; the species is least likely to be seen
in summer and early autumn.During the winter months the species is most
often seen sitting on the sea; any "movements" are likely to be local
and are somewhat unpredictable.
This species is a lot more numerous at Utsira where there is a sizeable
The blue line shows number of visits, the orange one the number of
visits when Black Guillemot have been recorded and the green one
(numbers on right hand axis) shows the average
numbers I have recorded in any three day period.