RE: @Dmontgomery 's ovation comment...
.....always best to start a new thread for intelligent questions, then other folks with more knowledge than I can chime in,
and everyone can benefit from the discussion either now or with future searches. <thumbsup!>
Yes, harem is a viable term for animals according to Dictionary.com
Animal Behavior. a social group of females, as elephant seals,accompanied or followed by one fertile male who denies other malesaccess to the group.
@centrarchid uses this term for groups within his flock.