BRACE → a BRACE of Pigeons
LITTER → a LITTER of Piglets
QUIVER → a QUIVER of Cobras
DULE → a DULE of Doves
BAND → a BAND of Gorillas
CRASH → a CRASH of Rhinos
SCHOOL → a SCHOOL of Whales
FLOAT → a FLOAT of Crocodiles
TOWER → a TOWER of Giraffes