Interesting collective nouns for animals:
Skein (geese)
Tower (giraffes)
Charm (goldfinches)
Dopping (goosanders)
Rasp (guineafowl)
Husk (hares)
Boil (2+ hawks circling)
Kettle (hawks, other birds, large #s, circling)
Cast or lease (hawks)
Array (hedgehogs)
Siege (herons)
Bloat (hippos)
Bike (hornets)
Harrase (horses)
Cackle (hyenas)

I was just doing g and h animals today. Terms of venery are weird.