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Northern Willow Warbler  Phylloscopus trochilus acredula

 

 

2017:

A very 'grey' individual seen near the 2nd Sentry Box on Northwick Warth in the morning on April 19th was putatively this form.

2013:

A very pale individual possibly this form was seen at Severn View Services and Aust STW on April 16th.

 

1932:

A presumed adult was ‘obtained’ sometime in April near Stoke Gifford.

 

1913:

One, a presumed adult was 'obtained' sometime in May at Cowhill near Thornbury. This is the first documented reference to this form in S. Gloucestershire.

 

 

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