Hat – Dragonfly


Dragonflies are attracted to and depend on the perennial water in Zion National Park, as their larvae, known as “nymphs”, are aquatic. Dragonfly adults eat other flying insects, often mosquitos, and are an important part of the ecosystem. Dragonfly fossil records suggest that they have existed for over 300 million years.

Dragonflies can teach us about ourselves. Part of the field sampling will collect dragonfly nymphs from creeks. The nymphs are relatively long-lived and accumulate mercury that falls from airborne pollutants. These specimens will be analyzed by a USGS lab as part of a nationwide atmospheric mercury deposition study to assess environmental health.

Adjustable back closure embroidered with Zion National Park

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