What unique dual defense mechanism characterizes the Red-Necked Keelback in biological terms?

Answer

Both venomous and poisonous

This specific snake is characterized as being both venomous (injecting toxins) and poisonous (toxins absorbed or ingested), setting it apart from many other snakes.

What unique dual defense mechanism characterizes the Red-Necked Keelback in biological terms?
Poisonanimalreptilesnake