noun
sloth bear
Refers specifically to the sloth bear (Melursus ursinus), a bear species native to the Indian subcontinent.
ナマケグマは主に昆虫を食べる。
Sloth bears mainly eat insects.
動物園でナマケグマの赤ちゃんが生まれた。
A sloth bear cub was born at the zoo.
ナマケモノ is a sloth (the arboreal mammal), while ナマケグマ is a sloth bear, a different animal.
Compound of 怠け (namake, 'laziness') + 熊 (kuma, 'bear'), likely a calque of the English 'sloth bear'.