On the 31st, over 7 Mourning Cloaks were observed throughout the Park. Overwintered adults mate in the Spring, with the males perching in sunny openings (ie. west spur at the bluff area) during the afternoon to wait for receptive females. Eggs are laid in groups of the host plant (ie. willows, American Elm, Aspen, Hackberry). Caterpillars live in a communal web and feed together on young leaves. After pupating they emerge as adults in June or July.
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