Connecting Lake Simcoe's Community

Tracking the ebb and flow of life

2019 09 23 ducks1

By David Hawke -- Once upon a time in my personal timeline, Sept. 25 held a special meaning: it was the carved-in-stone official first day of the fall hunting season. Ducks, geese, grouse, rabbits... you name it and I and my buddies were probably licensed and loaded for it. But that was then and this is now.

          A lot has changed over the past few decades, including hunting regulations, that requires the guidance of a seasoned lawyer to get you an answer for a simple question. "Opening day" could be any number of dates, depending on where you live, where you hunt, what you seek and how you plan to conduct your hunt. My shotgun is long gone, having been replaced by a camera and telephoto lens.

          For a few years I was contracted to operate a waterfowl banding station at the Tiny Marsh Provincial Wildlife Area, near Elmvale. There had been banders before me, and banders after me, but for a few glorious seasons I handled literally a thousand birds a year, outfitting each with a small aluminum 'license plate' on their legs. These metal bands give us curious humans an insight as to the life of a duck (or more accurately stated, the death of a duck).

          A banded bird does not tell you much until you hear from it again; then you can plot time lapsed and distance to new location. There are one of two ways a duck can check back in... either it is shot by a hunter and the recovered band is sent in, or another bander captures it briefly and records the engraved number into their data book. The whole reason behind banding waterfowl is to hear from them again, and to then plot another dot on the map.

          Because ducks are actively hunted, the chances were good that a number of bands would be found on those harvested ducks, and hopefully the data sent back in. The rate of return was pretty good, around 25%; compare that to a song bird bander who is delighted if even 1% of the birds are recovered.

          So, what did we learn about where ducks travel, and why? As the ducks flew south on migration, a barrage of hunters lay in wait all along the route. Bands are collected daily along the whole flyway and the retrieval information is (hopefully) sent to a central computer in Maryland. When I was doing this project in the mid-1980s, computers had not yet become household items. So, I wrote to the Maryland office and requested all their files that showed where our Tiny Marsh ducks had reappeared. A few weeks later a large ream of 'tractor feed' paper arrived in the mail.

          A large paper map of North Americas was acquired along with a few sheets of colourful sticky dots, and then with great scrutiny each line was deciphered to find the date of banding and the date and location of the return info. Dreadfully slow. Incredibly exciting.

          Slowly the map became covered in dots, several up and down the St. Lawrence Seaway, most spilling over into the upper United States. I had to make clear plastic overlays, as the original map quickly became obliterated in some areas. A new colour for each year, another colour for each species, sometimes a colour to indicate if it was male or female, adult or immature.

          At the end of it all, some really cool info came out of it. "Our" local ducks tended to split their routes around the Great Lakes: those who flew more or less straight south went into the Mississippi Flyway; those that went east tended to ride through on the Atlantic Flyway.

          The clusters of map dots began to reveal secrets of the duck world. Mallard ducks tended to drop into the agricultural fields of Tennessee and the Carolinas for winter food and socializing. Mallards from Ontario mingled with mallards from Saskatchewan and the Dakotas. The following spring the females returned home to their wetlands of birth... and the males followed the cutest set of tail feathers they could find.

          We learned not only of flyway routes but also of genetic mixing, where the western 'boys' would meet up and mate with the eastern 'girls', and vice versa for our home-grown boys. Not only was this fun science, but huge habitat funding programs were built around knowing that money invested in Ontario habitat work would ensure a good-sized population of ducks each year in United States. Hoo-rah.

          The smaller blue-winged teal proved quite surprising, as they did not tarry in the fields of the eastern seaboard; it was on to Cuba and beyond for these birds! Bands were recovered in all of the Caribbean Islands, and a couple even from South America. To think that our little local ducks would have such a far-reaching travel agenda was mind-boggling.

          Ages were also determined (young males perished more often in a sudden blaze of gun smoke) with a couple of ancient females being re-captured 12 years after initial banding.

          Sept. 25 is looming yet again, but my youthful excitement has waned. The thrill of the hunt has been replaced by something else... the knowledge that these birds know what they are doing, that their migration is a hard-wired thing to do, a way of avoiding certain death if they tried to remain over the winter months. The ebb and flow of life along the flyways, through the seasons, will continue. They may be going south for now, but on a nice spring day next year, they'll be back.

David’s Notebook: Hello on a mid-September morning that is as warm as July! A few monarchs are still hanging around but I think when the real fall hits they will wish they had vamoosed earlier. It's autumn, time to get your ducks in a row...

© 2019 David J. Hawke

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More than one kind of mantis in the meadows
Mouse is very curious and loves his treats!

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