A jaguar became a first-time mother when she gave birth to a 2-and-a-half-pound cub last week, the Houston Zoo announced Thursday.

Three taxidermied penguins preside over Room 426 in Allwine Hall, standing atop a row of metal cabinets in the back corner.

While allergies in domesticated animals like dogs, cats, horses, and some birds are common, experts say there are few ...