Slide 16 of 23
Notes:
Nevertheless, in three years of study we have found a serious decline in the number of nests in our study area and a decreasing number of birds with transmitters in our Arctic-wide aerial searches. We suspected the decline in Delaware Bay horseshoe crab eggs as the cause because no other Arctic breeder declined in our study area.
It will take several more years to determine the fate of the birds in the Arctic. In the meantime, our attention focused on the numbers of red knots wintering in South America. In contrast to the Arctic, the knots in South America concentrate into a few areas. Our goal was to reproduce counts done in 1986 and try to determine a trend.