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Researching the
Fortress of Louisbourg National Historic Site of Canada
Recherche sur la Forteresse-de-Louisbourg Lieu historique national du Canada
FOR THE BIRDS
FEBRUARY 2004
By
Helen O'Shea
Sightings
Around the Town
An immature Bald Eagle flew over Holland Street on January 9. On January 18 there were 3 American Robins in Darlene and Chris Chisholm's yard. Bonnie and Stewart Whynott had 6 Crows walking around their driveway on January 19. Elaine and Gary Carter were feeding gulls on Feb 4. There were 10 Herring Gulls squabbling over food in the front yard. The birds moved to the roof and waited for additional offerings. That day I watched a flock of 8 Evening Grosbeaks fly through Dan and Mabel Hanham's yard. Peter Chiasson and Sandy Anthony had several Blue Jays and Evening Grosbeaks in the trees near their feeders. The large flock of House Sparrows is still in Burns MacMillan's yard though some were in the eaves of the Grubstake restaurant.
Around the Harbour
19 Bufflehead, 6 Long-tailed Ducks, 9 Female Common Eiders were in the harbour at the Fortress on January 11. There were 2 pair of Goldeneye off the Royal Battery. On January 18 a mature Bald Eagle was eating a seal carcass on the ice at the Fortress Barachois. A Great Black-backed Gull and several Crows waited their turn at the feast. Off the Government Wharf there were 4 Black Guillemots, 20 American Black Ducks, a pair of Glaucous Gulls, Iceland Gulls, a Thick-billed Murre and 2 pair of Red-breasted Mergansers. Feb 1, there were 5 Bufflehead, and a Common Loon at the Fortress Barachois. A mature Bald Eagle was munching on some dead thing by the building at the bus loop and fighting off a Crow. There were 2 White-winged Scoters off the Royal Battery and 20 Black Ducks near the sewer outlet on Commercial Street. There were 6 Scaup off the Government Wharf as well as 6 Common Loons. On Havenside there was a mature Bald Eagle, a pair of Bufflehed, a Goldeneye and a pair of Long-tailed Ducks. Off the lighthouse there was a pair of Dovekies and a pair of Thick-billed Murres.
At My Feeders
There were 36 Mourning Doves at my feeders on January 11 in minus 12 degree temperature. Seven Juncos, 28 Pine Siskins, 4 Blue Jays and a Song Sparrow kept them company. On January 14 there were 4 Bohemian Waxwings eating rosehips, and 8 Blue Jays, 14 Common Redpolls, 3 American Goldfinch and 4 Crows at the feeders. January 17 we had an American Robin drop by to eat the rosehips. The next day he was back with 3 friends. The Robins were still around on January 22 when a Boreal Chickadee arrived at the suet feeder. It has been making several daily visits now that it knows that we sprinkle millet below the suet. Not being as aggressive as other birds we notice that it goes to the back of the block to eat (making it less visible to other bully birds). On January 22 a flock of more than 50 Common Redpolls arrived. These flighty birds will suddenly spook and fly away leaving other birds to continue eating at the feeders or on the ground under the trees. Quickly the Redpolls would return to resume their meal. Our first Purple Finch arrived on January 25. These birds are bigger than Goldfinch and Siskins. On a minus 13 degree morning on January 26 we had 16 Evening Grosbeaks arrive at the feeders as well as a European Starling. There were also 33 Redpolls and a Song Sparrow. An American Tree Sparrow made its appearance eating millet under the rose bush on January 28. It is one of the first birds to arrive in the morning and the last to leave at night.
How Birds Keep Warm in Winter
"By fluffing out exterior feathers, a bird creates air pockets between the feathers and the skin that help retain heat. When resting, a bird can tuck its head or other body parts with exposed skin into its feathers to conserve heat. Below a certain temperature birds begin to shiver the chest and leg muscles to increase metabolism. Some birds cluster together in cold weather or even rest in pyramid shaped piles to conserve heat. Grouse bury themselves in snow, and other birds roost in tree cavities or in dense foliage or in brush piles to minimize heat loss. Birds bodies reduce heat loss by constricting the flow of warm blood through the leg arteries to exposed feet and legs. Small releases of warm blood into the leg arteries prevent the tissues of the feet from freezing. In extremely cold weather, by allowing its core body temperature to drop, a small bird can conserve a considerable amount of energy which may help it survive cold nights or periods of low food availability." (Sibley Guide to Birdlife and Behaviour. National Audubon Society, 2001)
Have a good month and don't forget to call with your sightings Helen
Helen OShea
Extracted from © The Seagull, Helen O'Shea, For the Birds