The first is through direct ingestion of the eggs that are typically found in the stool of an infected dog. (mypetneedsthat.com)
Cats are often exposed to liquid potpourri by direct ingestion from simmer pots or spills, or by rubbing against leaky bottles or simmer pots containing the potpourri, or from spilling the containers upon themselves. (cfa.org)
One possible drawback, Burke says, is that as insectivores, the lizards are a step removed from direct ingestion of plants, so they might not accumulate environmental pollutants as rapidly as local flora. (scientificamerican.com)