MAMMALS
a class of warm-blooded vertebrates that nourish their young with milk from maternal mammary glands
North American Porcupine Erethizon dorsatum
CARNIVORA
CETACEA
CHIROPTERA
CINGULATA
DASYUROMORPHIA
DIPROTODONTIA
LAGOMORPHA
PERISSODACTYLA
PILOSA
PRIMATES
PROBOSCIDEA
RODENTIA
SORICOMORPHA
TUBULIDENTATA
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