Some may wonder why I haven't written of NYC's Canada geese in   a while.
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That's because the main thrust of the fall migration hasn't   occurred until this last week. 
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The Central Park Reservoir and other watercourses have been   primarily goose-empty over the past few months with the exception of one   resident goose family at the Boat Lake and a few skeins of early migratory geese   who passed through NYC in September and October. 
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But, there has been much bird activity (including many diving   ducks and mallards) over the past week and it has been consistent.    
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Each night there has been anywhere from 40 to 100 geese who   arrive at the CP Reservoir to briefly rest and who just as   quickly depart by the following morning.  
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It's quite amazing to realize many (if not most) of the geese   arrive here from places as far away as Labrador which is at the north east tip   of Canada close to the Arctic. And New York City is only a temporary   rest stop on a journey composed of thousands of miles to places far south   of New York. 
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It is perhaps no small surprise that most of the geese appear   exhausted after their long and arduous trip. Most times the geese appear as   statues in the water, barely moving. Other times a small group will turn their   heads on their backs to try and catch a little shut eye while a designated flock   or family member keeps vigilant watch for any danger or threat.
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Last month, a large gaggle of about 80 geese arrived to the   Central Park Reservoir the night before the World Citizen rock concert   was to be held at the nearby Great Lawn. There were loud "booms"   bursting through the park as the bands rehearsed and I was certain the geese   would be so spooked by what sounded like little earthquakes that they would   immediately take off. 
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But, the geese were apparently so tired and spent that   they stayed throughout the raucous commotion and didn't leave until the next   morning. It's apparently very necessary for migratory birds to   replenish energy reserves before they can take off again.  
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Give credit to Canada geese for having the gumption to migrate   through New York City in the first place. The skyscrapers, lights and noise seem   like they would be enough to deter most migratory birds and indeed they do deter   many species. But even though they may originate from obscure or rural places in   the world, Canada geese are extremely adaptable -- even to rock concerts and   fire work displays happening in the city at any given time. 
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If nothing else, Canada geese are a very hearty and I daresay,   courageous bird. Very little deters or actually terrifies them from doing what   they have to do. As New York City is part of the Atlantic flyway, the geese   come through here and neither snow, wind, rain, rock concerts or even   rockets going off will dampen their enthusiasm or set them off course.   
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But, apparently changes in weather patterns might   actually alter the geeses timing of migrations. I am wondering if an   unusually warm winter last year and mild summer and early fall this   year has caused the seemingly late migration this year? Last year, most of   the migratory geese passed through NYC in October. But we are late into   November and most of the geese are only now arriving. 
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I am not sure if that signals anything about what kind of   winter we will have or if it just means geese take advantage of mild weather and   don't willingly move until they have to.
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But, if true that the geese are good predictors of weather   patterns, I am guessing that the next few weeks are suddenly going to turn a   lot colder in New York City. 
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And then we just wait for the late migratory geese and   mallards who typically arrive in New York City in late December or   even early January to actually winter here. 
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Those are the ones who brace themselves for whatever kind of   winter New York City will have. I hope for their sakes that this   winter will be nothing like those of 2013 and 2014 in which thousands of   waterbirds (mostly ducks) perished throughout the north east due to record   snow falls, cold and subsequent starvation. 
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Hoping for, if not a warm winter this year, at least   a normal one. -- whatever "normal" means in a world undergoing   indisputable climate change.   
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In any case, the Canada geese will figure it   out.  Of that, I am reasonably confident, "adaptability" being the   geese's should-be, middle name. -- PCA
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