Monkeys
arachnids
A herd.
A pride.
a school of fish
a pride
Land Mammals
Team
I believe it is called a "troop".
Troop or Tribe
A group of giraffe is called (believe it or not) a tower of giraffe.
The address of the Troup Genealogical-Historical Society is: Po Box 366, Troup, TX 75789-0366
Robert Troup died in 1832.