19th Jan 2016: Frozen over

After a hard frost overnight the reservoir was almost completely frozen over. John visited in the morning and a single redhead Goosander remained but was the only notable bird really. I called in very briefly mid-morning and there was a Herring Gull stood on the ice with Black-headed and Common Gulls. I was a little surprised to see eleven Great Crested Grebes still there, all crammed into a tiny area of open water.