Bhaergala
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Meet the Bhaergala, introduced in Forgotten Realms. The Bhaergala looks like a cross between a wolf and a lion, making you think it would be a social hunter right? No, it's a solitary humanoid eating specialist, that acts like a leopard despite being built nothing like one. On top of that, it smells like freshly baked bread. It likes to collect broken instruments, sounds like a human, and can mimic speech and speak nearly perfect Common to lure prey. They can also reflect spells, have a +3 save against poison, and can leap about 60 feet to the ground without damage.
So it's like a Leucrotta but stronger and smells better. And also like the Leurcrotta, this is one of those monsters that a DM/GM with an innawoods/hunting bent can sic on their adventures without getting too fantastic, perfect for those who like "plausible" monsters that can be hunted for minor rewards while still providing a challenge to a low-level group.