Aspen Parkland/Northern Glaciated Plains

Common green darner migrates through Calgary area

October 4, 2026

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was recorded on September 29 in Calgary and September 4 in Rocky View County.¹ This species is well known for great migration distances from the northern United States south into Texas and Mexico, with individuals moving through this ecosystem during fall migration.¹

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Common green darners migrate through Compton and Carson

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(Anax junius) observed on 2026-10-11 near Compton and on 2026-10-10 near Carson are members of the second generation undergoing fall migration south. This migratory dragonfly emerges in northern waters in summer, and its offspring fly south from late August through October to reach Mexico and the Caribbean coast, where they breed before dying, while their offspring return north in spring.