Competition with deer for their food, white turtlehead plant.
The decline of moose population followed sooner or later by a decline in the wolves population because the is less for the wolves.
There was a decline in the population as a result of the war.
In the Great Lakes area, moose are often a large part of the diet of wolves. Therefore a decline in the wolf population would naturally follow the decline of the moose population on Isle Royale.
disease.
They are in a massive population decline.
population
disease.
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A natural cause of decline in a population could be disease outbreak or an epidemic. Diseases can spread rapidly through a population, resulting in a significant decrease in the number of individuals. This decline in population can occur in both plants and animal species.
"endangered" or "threatened" depending on the severity of the decline.
When more people in a population are dying than are being born.
The cast of Rapid Population Decline or Bust - 2011 includes: Jack Alpert as himself