Bird didn't appear to be associating with any other adults or 1w birds.
large white neck collar with a small break at the back
contrasting white flank patch, not as extensive as in adults
Unbroken neck collar at the front with a thick base line
Showing the darker mantle shade when compared to 1w DB Brent, not as black as an adult
no brown tones noted on the mantle unlike 1w DB Brent