Wednesday, November 21, 2012

Hope the Whimbrel

In the wilds of Virginia on the Delmarva Peninsula a group of scientists mobilized in May of 2009 to capture and outfit Whimbrels with satellite tracking devices. Whimbrels are known to travel enormous distances during migration but no one really knew the routes they took or the stops that they made along the way. The idea behind the capture was to try and track the migratory behavior of these birds as they traveled to and from their nesting and wintering habitats.

Six female Whimbrels were caught, measured, weighed, equipped with trackers, and named. They were then released back into the marsh where they were found. From that day forward the birds could be followed as long as their satellites remained operational.

Out of the six, the bird named Hope came into our lives. After she was fitted with this new piece of baggage she remained in the marsh for another two weeks, fattening up on fiddler crabs and getting used to her transmitter. The transmitter's are designed so that they don't impede a birds flight or foraging behavior and the weight was kept down to 9.5 grams. A Whimbrel can gain and lose nearly 40% of their weight during migration so the transmitter is no burden to the birds.

Hope finally left Delmarva and headed north for the Hudson Bay. She did a few brief stops to refuel before heading west to the MacKenzie Delta in the Northwest Territories off the Beaufort Sea. Here in the arctic she finally stopped for the breeding season. After spending 6-8 weeks there she took off to head to her wintering grounds. Most of the Whimbrels that had been tracked previously were followed as far south as Brazil but Hope, after flying east across the Northwest Territories took off out over the Atlantic from Maine. She traveled non-stop in a half circle that took her east of Bermuda until finally landing on the island of St. Croix days later. By August of 2009 she had already traveled about 13,000 miles since her capture.

When she landed on St. Croix the scientists tracking her thought it was just a refueling stop. Local birders Lisa Yntema and myself caught wind of her arrival and went out to Great Pond to see if we could find and photograph her. As luck would have it we found her quickly and took some fuzzy photos. Lisa contacted the researchers in Virginia, forwarded the pics and we waited to see what she would do next.

The scientists thought she would stay on island a few weeks to build up fat so she could complete her journey south but as the days, weeks and months went by it became evident that St. Croix's Great Pond was her wintering ground. It wasn't until April of 2010 that she finally took off to head back to the breeding grounds on the MacKenzie Delta. She stopped again in the staging area of the Delmarva Peninsula where she had been captured. Fed on fiddler crabs and fattened up for another trip north.

Once again she went to her breeding grounds, nested, and then made the great trek back to St. Croix. Again Lisa Yntema found her at Great Pond, recorded her appearance and forwarded the results back to the scientists. April of 2011 she took off again and repeated the sequence of events except this time after leaving the nesting area in August and flying out off the Canadian Maritimes she ran into tropical storm Gert. She flew for 27 hours at only 9mph through Gert until finally reaching the backside of the storm where, after 2 hours flying at 92mph, she landed safely on Cape Cod. She only stayed there one day before going back to Virginia.

In the marsh she knew so well she weathered Hurricane Irene which completely submerged the habitat. Fletcher Smith who had originally outfitted her hasn't figured out how she survived there with everything under water but she did. In September she and Machi, another Whimbrel that had a transmitter, left within a day of each other only to intersect with Tropical storm Maria. Machi landed on Guadaloupe and was shot by hunters but Hope landed safely at Great Pond on St. Croix.

After the take down in Guadaloupe Fletcher flew down to retrieve the satellite transmitters from two birds that ended up being shot. Knowing that we had been able to find Hope and that she was in a semi protected area he felt it was crucial to come to St. Croix and do some talks to focus on the importance of wetland areas in the islands to migrating birds. Hope was the star of his presentations for she was the only Whimbrel that had survived so far.

After wintering on St. Croix for another season she did her round trip once more. Stopping in Virginia to load up on food, flying to the Arctic, nesting, then back to Great Pond with out encountering any hurricanes. She arrived September 4th, but by September 10th her transmitter had gone silent. Lisa found her again and discovered that the antenna had snapped off. Contacting Fletcher in Virginia it was determined that he would need to come down try to recapture her and take the transmitter off.

He arrived late evening November 17 and before the sun rose the next day he had set up a blind to hide in while trying to catch Hope. The idea was to use noose mats created out of chicken wire and fishing line. Hundreds of little nooses littered the frame work. These mats were placed down flat in the area that Hope was known to frequent. For two long 12 hour days she teased Fletcher and Lisa, even walking across the mats four times, until finally on the third day while trying to defend her territory from another Whimbrel she stepped on a mat that had been spray painted to camouflage it. At 9:30am on November 20th Hope's job was finished. She was freed of the transmitter and set loose.

According to Fletcher wild birds that will never live in harmony with man occupy the wildest regions of the world. We need to educate everyone that their livelihoods are dependent upon us maintaining those places in as pristine a manner as possible. Hope is a scientific success story. She has revealed so much that was not known to researcher's and is an inspiration to all of us that came in contact with her amazing travels.

Great Pond is designated as an Important Bird Area which is a global effort to conserve areas that are vital to migrating birds. By working to identify areas to conserve for ourselves and the birds we can help to slow the pace of decline migrating birds are suffering from. Hope is our banner bird for the island of St. Croix but there are many more that stop and or winter here that are just as important as she is.

See Ya Next Week


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