Most people know that chocolate and antifreeze are dangerous to pets, but did you know that:
Zinc – found in pennies of certain years – if consumed can cause destruction to red blood cells.
Onions, both raw and cooked (beware of leftover Chinese food especially) also can cause red blood cell destruction if consumed by pets.
Easter Lilies are toxic to cats.
Overheating a Teflon frying pan could release gasses toxic to birds.
Grapes and raisins, even in small quantities, can cause kidney failure in pets.