The bunny died after ingesting marijuana which caused brain damage.

A rabbit forced to inhale marijuana has died.

SPCA Auckland received an anonymous tip about a "sick" rabbit at an Auckland property.

The team discovered the bunny which smelled of marijuana and had the drug's residue on its fur.

The SPCA team worked hard to revive the drugged rabbit, however, after a few days it became apparent the rabbit had lost brain function and died as a result, a Facebook post from Auckland SPCA said.

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"For reasons that we cannot fathom, it appears some people derive amusement from forcing animals to consume alcohol and drugs," the Facebook post said.

"This is always detrimental to the animals health and as this case demonstrates it can prove fatal."

SPCA Auckland chief inspector Greg Reid said the rabbit's owners were not at the property but they would be spoken to.

Reid said animals inhaling or ingesting illicit drugs was not an uncommon issue.

He said rabbits were likely to eat the drug if they came across it.

"To all the stoners out there who have rabbits, lock up your marijuana because there's a chance they could eat it."