There are eight different genera in the family classified as rabbits, including the European rabbit (Oryctolagus cuniculus), cottontail rabbits (genus Sylvilagus; 13 species), and the Amami rabbit (Pentalagus furnessi, an endangered species on Amami Åshima, Japan).
What is that terrible musty/mold smell coming from my air vents? There have been numerous complaints of a bad musty/mold smell coming from the air conditioning vents. This usually occurs after the A/C has been running or after the truck has been sitting.
Moldy Smell Coming From Air Ducts. Air ducts offer mold a moist, warm environment. It is a challenge to keep mold under control, especially if you live in a climate with high humidity and frequent rainfall. Air ducts are a particularly happy place for mold because they are often warm and damp, the two conditions most conducive to mold.