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British Columbia has only one
nesting colony of American White
Pelicans. It is located at Stum Lake
in White Pelican Provincial Park in
the Chilcotin region, 70 kilometres west
of Williams Lake. Because these colonial
birds are migratory, have only a single
nesting site, and feed on fish in shallow
lakes sometimes hundreds of kilometres
from Stum Lake, they are particularly
vulnerable to a variety of threats.
At Stum Lake, both natural and human-
influenced events can affect nesting
success. Fluctuating water levels are
the most frequent natural cause of
colony abandonment. In drought years,
nesting islands become connected to the
mainland, allowing access to land-based
predators. A single severe flood or a series
of wet years can result in inundation
of islands. Over the thousands of years
they have existed on this continent,
white pelicans have been able to cope
with these natural events and maintain
their overall population. In recent decades,
however, various drainage, irrigation,
and diversion projects, particularly
in the United States, have resulted in the
demise of some colonies.
Blood, Donald A.. 1993. American White Pelican. Ministry of Environment, Lands and Parks. Species at Risk Brochure
Topic: Species and Ecosystems at Risk
Keywords: species at risk, american white pelican, pelecanus erythrohynchos, sara, endangered, threatened
ISSN:
Scientific Name: Pelecanus erythrorhynchos
ISBN: 0-7726-7466-3
English Name: American White Pelican
Other Identifier:
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