platypus: small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
monotreme: the most primitive mammals comprising the only extant members of the subclass Prototheria
saucer magnolia: large deciduous shrub or small tree having large open rosy to purplish flowers; native to Asia; prized as an ornamental in eastern North America