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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

April 1998

By

Helen O'Shea

Signs of Spring

More Eagles

Ruth Stevens saw an immature Bald Eagle at Catalone Lake on March 21. Sheila Fudge tells me that both she and Patsy MacDonald have seen a large Bald Eagle at Catalone. There was a large mature Bald Eagle on March 26 at the Fortress Barachois and later on I saw one circling over Havenside near Bruce and Rovie MacDonald’s house. It was being chased by crows but didn’t seem to mind. On April 8, two mature Bald Eagles flew inland over the highway at Albert Bridge.

At My Feeders

Out and About

More about Juncos

"Juncos tend to winter at the same spot each year and stay in fixed flocks with a stable dominance hierarchy. More dominant birds will do Pecking-attacks, lunging at subordinates, who give way or avoid them. Occasionally, two birds will square off, face one another, and do the Head-dance display, in which they repeatedly throw their heads up and down. Sometimes things escalate into a fight, with the birds clawing at each other and rising up into the air, although generally things are settled by displays alone. As spring approaches, juncos start singing and do more Flight-pursuits with the male chasing the female." Stokes Nature Guides: Volume III, p. 327

In spring a young Song Sparrow’s fancy turns to ……

"As the breeding season progresses and more males arrive, look for territorial skirmishes—new males challenging established ones for favored areas. These take place with an unusual display, where one of the birds puffs out his feathers, possibly raises one or both wings, and sings. The challenges to a territory many continue for an hour or more." Stokes Nature Guides: A Guide to Bird Behavior Volume I, p.313

Late Breaking News

Doug Pearl dropped by on Saturday, 11 April to report a pair of Wood Ducks in Kehoe’s Pond on the Compound Road. Bill & I took a ride up and watched them for about 15 minutes before they flew away. They are beautiful birds. While we were gone, Danielle Baldwin from Main-A-Dieu called to report a Black-Headed Gull. It had been around her yard for about 3 hours. On the way out to see it we observed a pair of Loons in Little Lorraine Harbour and a large Raven circling above. In Main-A-Dieu besides the Black-Headed Gull there were Black Backed and Herring Gulls and 12 Black Ducks. On the way back to Louisbourg we stopped by Baleine and saw 3 pairs of Black Ducks and a Bald Eagle. Sandy Ley from Lorraine called me in the evening to say that he had seen the Black-Headed Gull in John Hall’s Pond in Main-A-Dieu on Friday. Thank you Doug and Danielle and Sandy.

Remember: Do NOT watch birds flying overhead while driving a car!


Songbirds: Celebrating Nature’s Voices Songbirds: Celebrating Nature’s Voices by Ronald Orenstein

p.86 "Female Red-winged Blackbirds are not lured in with bright red shoulders. Their concern is to select mates that have managed to take over high-quality territories, with good places to put nests, water nearby, and lots of food in the area. A male’s epaulettes are part of a game of bluff among rivals, each seeking to stake his claim to the kind of territory females want. Males arrive on the breeding grounds ahead of the females, where they posture, sing their loud songs, and generally try to elbow one another out of the way. The epaulettes are not passive armaments. Their owner covers and uncovers them, flashing them like signal lights. If the bird is aggressive, he can expose his red shoulders completely. If he is not defending his territory and wants to avoid being harassed by other birds, he tucks them out of sight."

219

Great Horned Owl

"…is the largest of our common owls and is a predator on many large mammals as well as other birds. It must endure the constant harassment of crows during the day. Why crows mob owls as well as hawks, is not clearly understood. Seeing or hearing mobbing behavior is one of the easiest ways to locate these owls. Just listen for the drawn out caw that the crows give when mobbing and then rush to the spot and look at where they are diving. This will often lead to a glimpse of the owl as it takes a short flight to try to rid itself of the crows."

Helen O’Shea

Extracted from © The Seagull, Helen O'Shea, For the Birds

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