Why do I feel like Titanosaurs are common?

people say these dinos are supposed to be rare,but I’m finding more of these things than gigas. I seen two gigas before BUT i’ve seen Titanosaurs Many times before.one near Green obelisk,one near Snow biome, One at a Beach near a big swamp that’s close to my base. and I’m pretty sure i’ve seen more. I don’t know if somethings wrong with the spawns.or Titanosaurs are not that rare in ark mobile.