Taken on a very cold Sunday afternoon - Heron Point Farm, ON, Canada - March 2012
Something of interest: A Collection of Collective Nouns, another link here.
A few entertaining examples: a parliament of owls a grist of honeybees a murmuration of starlings a llovely of llamas a troubling of goldfish a charm of hummingbirds a risk of lobsters a smack of jellyfish