 Why doesn't the narrator want to tell anyone about his experiments?
It would be several hours before they would begin to move, to learn to feed and play, perhaps to learn to fly. Meanwhile, it was clear that here was no war of dominant mutations. I would teach them legends: that they had come from the stars, that they had subsequently watched the first red men and then the first white men enter these hills. Reporters would "expose the truth" and ask, "Where have these aliens come from?" Volpla wisdom would become a cult—and of all forms of comedy, cults, I think, are the funniest. A 'copter sidled over the ridge, then came just above the oak woods toward us.
 He wants to sit back and watch what happens when they're released on the world
 He wants to wait until he can publish a paper about his results  He wants to sit back and watch what happens when they're released on the world  It is illegal to breed mutant animals, and doesn't want to get caught  He doesn't want people to know about his work until he has perfected the new species