This trip was primarily about visiting family and friends, with little time for serious photography or finding wildlife, but I kept a list throughout the trip, which is below. The following species were seen in and around Hannover, Salzgitter-Ringelheim, Salzgitter-Bad, Salzgitter-Lebenstedt, Salzgitter-Gitter, Salzgitter-See, Salzgitter-Lobmachtersen, Goslar, Steinhuder Meer and Bad Harzburg.
Black-headed Gull
Blue Tit
Brambling
Carrion Crow
Chaffinch
Coal Tit
Common Blackbird
Common Buzzard
Common Gull
Common Kestrel
Common Raven
Common Wood Pigeon
Egyptian Goose
Eurasian Bullfinch
Eurasian Coot
Eurasian Jay
Eurasian Nuthatch
Eurasian Siskin
Eurasian Treecreeper
Eurasian Wren
European Robin
Feral Pigeon
Goldcrest
Goosander
Great Cormorant
Great Spotted Woodpecker
Great Tit
Great White Egret
Green Woodpecker
Grey Heron
Greylag Goose
House Sparrow
Little Egret
Mallard
Mute Swan
Northern Shoveler
Pied Wagtail
Red Kite
Reed Bunting
Western Jackdaw
Yellowhammer
Harlequin Ladybird
Common Rabbit
Red Fox
Roe Deer