Date: March 12, 2018
Source: University of Guelph
Summary:
Researchers found that a majority
of raptor deaths are due to trauma and starvation caused by urban expansion and
other types of anthropogenic landscape alterations.
Human encroachment is the leading
cause of death among Ontario's at-risk birds of prey, according to a first-ever
University of Guelph study.
Among deceased raptors submitted
to the Canadian Wildlife Health Cooperative over a 23-year period, a majority
of the wild birds died of trauma and starvation, said pathobiology professor
Nicole Nemeth.
"The most common cause of
death was from trauma, which often included colliding with a vehicle or flying
into stationary objects, such as buildings," said Nemeth. "The second
most common cause was emaciation, which often occurs when the landscape changes
in a way that hinders them from successfully hunting and finding shelter."
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