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Challenge #1 from Sept. 8
RDRIEDGER@aol.comSun, 26 Sep 1999 21:32:36 EDT
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park in Cape May, NJ. During the day, they were nectaring heavily on plants
throughout the woods. At about 6:15 PM, they began to hover around trees on
the side out of the wind (and it was windy...15-25 mph) and select roosting
spots. The trees were mostly pines, but some oaks were also selected. As we
watched, the monarchs flew in at tree level (not up from the ground and not
down from the sky) and appeared to check out several locations before
settling in. Once a monarch selected a spot, it stayed there. By 7PM, all
the monarchs had settled in for the night.
The butterflies were at the ends of branches, about 15 - 25 feet high, not at
the tops of the trees. The groups we counted were between 100 and 200
butterflies. At daybreak, (first light at 6:30 am) the butterflies didn't
move from their roost. They began to leave at about 7:30 am, and all were
gone and on the move by 7:45 am.
For the days we observed, the butterflies selected many, but not all, of the
same locations each night.
On Long Beach Island, NJ, on an overcast day (Sept. 22), many butterflies
stayed on the pine trees all day. There were many flying too, so it wasn't
obvious whether an individual stayed put or whether they alternated between
flying and roosting.
Ruth Little, Rockford IL
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