Early communication between the human and Zoidian groups was awkward. And after the duck-feeding incident with wild Pegasuros, it was agreed that discussion of native wildlife was important as well.
"So, what do the Zoid-birds say in spring?"
"Well, our Earth ones the calls come down to 'my tree', 'look out, it's a predator', and 'HAVE SEX WITH ME!!'. And the first two carry over. But yours, do they say 'My core is bigger than your core'? 'I'm gonna explode, get me some water'?"
"I...stop asking these questions! Do you Earth men think of nothing else?"