Since methane is a potent greenhouse gas, things would have got very hot very quickly, to the detriment of any big animal that could not shed heat easily.
The biomass power station would burn rubbish, animal manure, woodchips, seaweed, corn stalks and other wastes, to heat water to create steam to turn turbines to produce around 300 megawatts of electricity.
The cause of death could have been the result of a fungal infection or animal damage, but because there was no obvious cause, she increasingly suspects drought and heat stress.