A gaggle of Canada geese at David Attenborough’s Nature Reserve, Nottingham.
There is a large lake you can walk around, many different water fowl to admire, an information and gift centre, and a tea shop.
It was starting to rain when I visited here last June, with my daughter Pix and her husband, so we didn’t walk around. But the cream tea was delicious!
post script: Collective nouns can be really strange. I particularly like
a crash of hippopotami
a charm of humming birds
an exultation of larks and
a lounge of lizards
Try here for more fun Collective Nouns of Animals.