proboscis monkey
US /prəˈbɑːsɪs ˈmʌŋki/
UK /prəˈbɑːsɪs ˈmʌŋki/

1.
a large reddish-brown arboreal monkey (Nasalis larvatus) native to Borneo, noted for the male's long, pendulous nose.
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The proboscis monkey is an endangered species.
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We saw a group of proboscis monkeys during our trip to Borneo.