On 18 October 1975 at the age of 33, Graham Haberfield died from heart failure caused by natural causes.

"It's very clear that these appear to be all pregnancy-related, as opposed to later deaths caused by external causes, like sudden infant death syndrome," she said.

The second type of ecocide is caused by "other causes" or non ascertainable ecocide.

Knit lines could be caused by different causes:

The general term hepatitis refers to an inflammation of the liver, which can also be caused by non-viral causes.

But the team in Southeast Asia concluded that at least one alleged attack was probably caused by insects or other natural causes.

Less commonly, vestibular signs can also be caused by inner ear disease, a brain tumor, a stroke, or other causes.

Acquired hemolytic anemia may be caused by immune-mediated causes, drugs and other miscellaneous causes.

The coroner's report however ruled that the death was due to a heart attack caused by natural causes.

The species is in danger due to habitat loss, which is being caused by selective logging, human settlements and natural causes like acid rains, soil pollution.