THE OFFICIAL WORD FOR A CONGREGATION OF FROGS IS…

WAIT FOR IT…

AN ARMY

i shit you not….

"Animal Congregations, or What Do You Call a Group of…?"

U.S. Geological Survey Northern Prairie Wildlife Research Center.

https://web.archive.org/web/20150320071411/http://www.npwrc.usgs.gov/about/faqs/animals/names.htm