In this case the Warthog (Phacochoerus africanus), a wild member of the pig family, that lives in Africa.
Warty means that it has small cauliflower-like growth spots all over its body. Nice...
Omg that warthog just sexually abused a girl while she was sleeping.
The name refers to the airplane's awkward appearance, its incredible toughness, its slow speed compared to USAF fighter planes, and the fact that it "hugs the ground" while performing its primary mission of close-range, low-altitude ground attack.