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Bird Control Program Forward Landfill—Manteca, California <br /> measures (pyrotechnics) that were used sporadically and North County used remote-controlled <br /> model airplanes and gliders a few mornings per week. However, the control efforts at the two <br /> landfills were by no means comparable to the program at Forward Landfill. Each landfill survey <br /> covered about a 3-hour period. <br /> The North County Landfill is located approximately 18.5 miles NNE of the Forward <br /> Landfill (Figure 2). It was surveyed on 27 occasions from 4 September 2012 to 12 April 2013 <br /> (Table 3). Very small numbers of gulls were present in September with an average of 59 gulls <br /> per survey on 4 surveys with a peak of 140 on 25 September (Table 3). The numbers of gulls at <br /> the landfill increased in October with an average of 1,158 gulls on each of 4 surveys and a peak _ <br /> of 3,200 gulls on 25 October. The average numbers per survey at North County Landfill were <br /> 3,133 in November (n = 3 surveys, peak 4,400 on 7th); 2,267 in December (n = 3, peak 3,800 on <br /> 26th); 2,633 in January (n = 3, peak 3,000 on 22nd); 2,750 in February (n = 4, peak 4,200 on _ <br /> 19th), 1,433 in March (n = 3, peak 1,700 on 8th); and 310 in April (n=3, peak 650 on 5th (Table <br /> 3). The gulls began to return north in March and the numbers at the landfill declined through to <br /> 0 on 12 April. <br /> H.i k <br /> Nortfi <br /> County <br /> Landfill <br /> Footfill <br /> M��� <br /> Landfill <br /> Forward <br /> Landfill <br /> _...._. Rt-riek N <br /> 4 2 0 4 Miles <br /> Figure 2. Locations of North County Landfill and Foothill Landfill <br /> 7 30 December 2013 — <br />