Two-toothed Goldenring vs Common Green Darner

Side-by-side species comparison

Attribute Two-toothed Goldenring Common Green Darner
Scientific Name Cordulegaster bidentata Anax junius
Order Odonata Odonata
Family Cordulegastridae Aeshnidae
Size 70-80 mm 68-80 mm wingspan
Habitat Mountains Ponds & Lakes
Diet Omnivores Predators
Regions Europe North America, Central America
Conservation Near Threatened Least Concern

Two-toothed Goldenring

A large, dark goldenring dragonfly of central European mountain streams. It is distinguished from other goldenrings by two tooth-like projections on the occipital triangle.

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Did You Know?

Its larvae develop in tiny trickles of spring water no wider than a hand, unlike most large dragonflies.

Common Green Darner

A large migratory dragonfly with a green thorax and blue abdomen found across North America. It undertakes multigenerational migrations spanning thousands of kilometers.

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Did You Know?

Green darners migrate in swarms of millions from Canada to Mexico each autumn, with the return journey completed by their offspring the following spring.