You don’t have high enough informatics technology, you’ll get inaccurate scout reports, here is what the different terms mean.
Few: 1 – 24
Pack: 25 – 49
Lots: 50 – 99
Horde: 100 – 249
Throng: 250 – 499
Swarm: 500 – 999
Zounds: 1,000 – 2499
Legion: 2500 – 4999
Bulk: 5000 – 10000
Giga: 10000 and more