Buster was right.
With the wild variances in temperature in New York City, all the geese and  ducks had to do at Harlem Meer was work, work, work and wait out  the storm.
In the past two days, temperatures have bounced from a bone-chilling  19 degrees 
back up to the low 50's -- a thirty degree swing.
back up to the low 50's -- a thirty degree swing.
It was surprising Sunday night to find a large pool of open water at Harlem  Meer considering the snow on Saturday and single digit wind chills through the  early part of Sunday.
But, the geese and ducks had been working hard and consistently to  prevent further icing of the lake.
That meant almost constant swimming, ducking and diving on  the water and organizing into teams. -- Rest and eat for brief  periods and swim for most of the time.
It seemed at no period was the available water not being moved and  kept warm by geese and ducks seemingly working in shifts.
Meanwhile, apparently sensing a warm-up in temperature,  many of the  migratory geese had returned to the Meer after a brief stopover at the  Reservoir for a couple of days.
If the pool of open water is bigger this year despite radical  temperature changes, there is little doubt that is mostly due to the large  number of geese and ducks constantly working it.
I noted on Sunday night that the small area near the Dana Center where  last year, Brad and a handful of ducks "worked" to keep a tiny (bath-tub  size) pool of water open is this year, entirely frozen over.
The open water this year is almost Olympic size and located more to the  middle and western portion of the lake.  
There are obviously many more birds to work it.
But, Brad, having experienced such adversity and challenge last year is not  a duck this year to take anything for granted  (despite  the warmer temperatures and many more birds to work the water).
Perhaps Brad knows that things can change on a dime and unlike Piggly,  Wiggly and him, the geese and mallards can fly and take off  if the lake entirely freezes or conditions become too  precarious.   More than any other bird on the lake, Brad  takes personal responsibility for maintaining open water as if it  is written in stone.
Just like last winter, Brad quickly comes to me at night for several  handfuls of sunflower seeds and then immediately returns to the "job"  of constant swimming. (That was even true last night, though the  temperature had boomed up to a spring-like 50 degrees.)  
Like last year too, Brad is however tolerant and understanding of the need  of his flock mates for more food and greater rest.   I remember times  last winter, when Joey and Angelina would take brief rests on the ice, Brad  would relentlessly work the water.  ("Rest" is something that doesn't seem  to exist in Brad's vocabulary -- at least in winter.)  This year, Brad  returns to swimming while his flock mates, Piggly and Wiggly  sometimes remain eating and then return to him later.   The three  ducks seem to have an understanding and agreement on this.
Meanwhile, the geese apparently have their own leader in Buster  -- the resident gander at Harlem Meer.
Depending on weather and conditions, Buster sometimes comes to me and  sometimes not.
Last night he came seeking treat because it was so warm and there was no  need to act as obsessive "drill sergeant" on the ice.
But, during the previous few nights, Buster remained on the edge  of the ice, watched from a distance and called back the rest of the geese  (and ducks) when it seemed they were taking too much time away from duties  to eat.
"Drill sergeant" is the right term for Buster.
When he sends out the order honks, all the other birds listen and  immediately respond.
Last night, when Buster had eaten his fill and returned back to the  open water, the other geese obediently followed without even being ordered  to.
It was funny to see them all walking back carefully on the  ice.  (See photo)
Apparently, the geese learned quickly that gingerly walking and  "skating" on the ice was a far more proficient means to deal with thin ice than  by flying across and skidding on it -- which, in some cases, resulted  in geese falling through it.
But, the geese seem to have the thin ice down to a science now:
"Walk softly and slide feet to test."
Perhaps Buster had instructed them on that, too.
Had I not felt the warmer temperature last night or heard it on the weather  report, I would have known it just by the sight of the geese and ducks at Harlem  Meer when first arriving.
Though some were lazily swimming around in the pool of open water, most  were gathered and resting on the ice surrounding the pool.
Even the workaholic Brad was temporarily standing on the ice along  with his pals, Piggy and Wiggly as if to say, "Ah, feel the warm,  spring-like breeze!  We can at last relax for a few  minutes."
But, when I left last night, Brad was once again back in the water with his  two help mates.
"But, not to take anything for granted."   --PCA
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