Mirabile Author:Janet Kagan There's a problem on the planet Mirabile with Dragon's Teeth. The humans from Earth sent to colonize the planet on a generations-long voyage through space lost some essential information in transit. Now, in the early decades of human settlement, the Earth plants and animals genetically programmed to proliferate the old specie... more »s (so that, for instance, a cow might sometimes give birth to a deer, that will breed true, except that sometimes the deer will give birth to a moose...) are occasionally producing mutants. Thus the carnivorous Kangaroo Rex is born, and Loch Moose monster, and the voracious Frankenswine, dragon's teeth that threaten the ecology of Mirabile and perhaps the very survival of the colonists.« less