|
|
After Chrismas 2008 I spent a few days in
Canada visiting my girlfriend’s family in Calgary, Alberta, from where we drove
to the Rocky Mountains around Banff, and from
there north to Edmonton, in order to visit Elk Island
National Park. It had been a very cold winter, and for the first time in
years there was deep snow from coast to coast.
Lake Louise
Calgary was covered in white, and
we often drove on snow for long stretches, even along highways. However,
despite the cold temperatures (down to -38ºC at Elk Island NP!) it was almost
always sunny and surprisingly bearable outdoors.
|
 |
| -38ºC |
|
|
 |
 |
Clark’s Nutcracker |
|
|
From Calgary we traveled north to Edmonton, the capital of Alberta, where we spent New Year’s Eve. On January 1st we drove the approximately 30 km to Elk Island National Park, a reserve protecting 194 square km of mostly aspen woodland surrounded by prairie and farmland (hence the term “island”).
The first wildlife sanctuary created in the country, it was established in 1906 to protect one of the last large herds of Elk remaining in Canada. Although not very well known abroad if compared with other national parks, Elk Island is very popular with Albertans and other Canadians, receiving more than 200,000 visitors every year.
Bison
The park is also home to large populations of both the Plains and Wood subspecies of American Bison. Elk Island has been a key factor in the recovery of the American Bison, albeit initially by accident. In 1907, 400 bison purchased by the Canadian Dominion Government from private breeders were shipped by train to Elk Island, en route to their final destination in Wainwright, further east. Forty-eight of the animals escaped and remained in Elk Island, eventually establishing a herd that has produced thousands of bison reintroduced to different reserves throughout Canada and the United States.
The Wood Bison (Bison bison athabascae)
was thought to be extinct by the mid 20th Century. In 1957 a small
herd was found in the remote Wood Buffalo National Park in Northeast Alberta,
from which twenty-three animals were re-located to Elk Island in 1965. There
are some 400 in the park today, living in an area separated from the main one
by the highway that dissects the park. Unfortunately this area is only
accessible on foot, and there was too much snow to allow for a visit at this
time.
Bison
The classification of the Wood Bison as a
distinct subspecies is actually quite controversial. Some authorities (Geist,
1996) consider them just a population adapted to habitats with different
nutrient availability, and maintain that its specimens soon resemble their
Plains counterparts when re-located to a grassland environment. Whether full
subspecies or just race, the two differ mostly in size, Wood bulls weighting up
to 900 kg, against 750 in Plains bulls. The Wood Bison’s hump is taller and its
highest point is forward on the shoulder, whereas Plains Bison’s hump is right
above the shoulder. For a detailed comparison between the two, plus some
taxonomical discussion click here.
|
|
 |
|
 |
| Bison |
|
|
We arrived to find the park all for
ourselves, totally covered in snow and under very cold temperatures. Luckily it
was sunny and calm, so being outside wasn’t too bad, but my camera was literally
frosting in my hands as I shot.
Apart from a sizeable herd of Plains Bison,
we saw a few Elk, very shy compared to the ones around Banff, and a Coyote.
At a stop by Oster lake someone had spilled some seed for birds to feed, and we
could see a good assortment of Winter birds: Black-capped Chickadees,
Downy and Hairy Woodpeckers, Blue Jays, and White-breasted
Nuthatches. Driving along the main road we had good views of an immature Northern
Goshawk. The park is supposed to be good to see Porcupine, especially in winter,
but this time we weren’t lucky.
Some links about Elk island NP
The official Parks Canada information
pages:
http://www.pc.gc.ca/pn-np/ab/elkisland/index_E.asp
Great Canadian Parks pages:
http://www.greatcanadianparks.com/alberta/elkislenp/index.htm
Snowy Owl has
always been very high in my wishlist, a bird that had eluded me in previous
visits to Norway and Alaska. There had been reports of a number of them being
spotted near the village of Mossleigh, SE of
Calgary, that winter. In fact, the whole drive a few miles after Calgary on
Highway 1 to Nanton and beyond can, in theory,
produce Snowy Owl in winter, but it was indeed near Mossleigh that I was able
to spot one, a young bird or female perched on top of the wooden fence
surrounding a well.
Unfortunately this bird, unlike many that overwinter in
densely populated areas elsewhere in Canada and the US, was very shy and
wouldn’t let me get close enough for a decent photo. On a second attempt a few
days later I saw what was almost certainly the same bird, plus another one
perched at some distance
|
 |
| Black-capped Chickadee |
 |
| Downy Woodpecker |
 |
| White-breasted Nuthatch |
|
|
 |
Snowy Ow |
|
|
|