GBBG Black JH083
Thursday, March 15, 2012
Lesser Black-backed Gulls pouring back into Guernsey and a Norwegian Great Black-backed Gull
With c 100 LBBG colour ring readings on each of the past two mornings at Chouet, the return migration is probably now peaking. Another nice surprise this morning was another immature Norwegian Great Black-backed Gull - the third seen this month.
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